47001047 has 4 divisors (see below), whose sum is σ = 48147456. Its totient is φ = 45854640.

The previous prime is 47001037. The next prime is 47001067. The reversal of 47001047 is 74010074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74010074 = 2 ⋅37005037.

It is a cyclic number.

It is not a de Polignac number, because 47001047 - 2⁸ = 47000791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47001037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573143 + ... + 573224.

It is an arithmetic number, because the mean of its divisors is an integer number (12036864).

Almost surely, 2^47001047 is an apocalyptic number.

47001047 is a deficient number, since it is larger than the sum of its proper divisors (1146409).

47001047 is a wasteful number, since it uses less digits than its factorization.

47001047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146408.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 47001047 is about 6855.7309602988. The cubic root of 47001047 is about 360.8852877393.

The spelling of 47001047 in words is "forty-seven million, one thousand, forty-seven".