47651273 has 4 divisors (see below), whose sum is σ = 48096720. Its totient is φ = 47205828.

The previous prime is 47651249. The next prime is 47651281. The reversal of 47651273 is 37215674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37215674 = 2 ⋅18607837.

It is a cyclic number.

It is not a de Polignac number, because 47651273 - 2⁶ = 47651209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47651473) 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, 222563 + ... + 222776.

It is an arithmetic number, because the mean of its divisors is an integer number (12024180).

Almost surely, 2^47651273 is an apocalyptic number.

It is an amenable number.

47651273 is a deficient number, since it is larger than the sum of its proper divisors (445447).

47651273 is a wasteful number, since it uses less digits than its factorization.

47651273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445446.

The product of its digits is 35280, while the sum is 35.

The square root of 47651273 is about 6902.9901492035. The cubic root of 47651273 is about 362.5418688064.

The spelling of 47651273 in words is "forty-seven million, six hundred fifty-one thousand, two hundred seventy-three".