47903701 has 4 divisors (see below), whose sum is σ = 47921004. Its totient is φ = 47886400.

The previous prime is 47903689. The next prime is 47903707. The reversal of 47903701 is 10730974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10730974 = 2 ⋅5365487.

It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 35688676 = 3495^2 + 5974^2 .

It is a 3-Lehmer number, since φ(47903701) divides (47903701-1)³.

It is a cyclic number.

It is not a de Polignac number, because 47903701 - 2¹³ = 47895509 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47903707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (11980251).

It is a Poulet number, since it divides 2^47903700-1.

Almost surely, 2^47903701 is an apocalyptic number.

47903701 is the 3461-st decagonal number.

It is an amenable number.

47903701 is a deficient number, since it is larger than the sum of its proper divisors (17303).

47903701 is a wasteful number, since it uses less digits than its factorization.

47903701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17302.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 47903701 is about 6921.2499593643. The cubic root of 47903701 is about 363.1809185000.

The spelling of 47903701 in words is "forty-seven million, nine hundred three thousand, seven hundred one".