47072464 has 20 divisors (see below), whose sum is σ = 92109060. Its totient is φ = 23302400.

The previous prime is 47072461. The next prime is 47072479. The reversal of 47072464 is 46427074.

It can be written as a sum of positive squares in 2 ways, for example, as 31136400 + 15936064 = 5580^2 + 3992^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47072461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12949 + ... + 16180.

It is an arithmetic number, because the mean of its divisors is an integer number (4605453).

Almost surely, 2^47072464 is an apocalyptic number.

It is an amenable number.

47072464 is a deficient number, since it is larger than the sum of its proper divisors (45036596).

47072464 is a wasteful number, since it uses less digits than its factorization.

47072464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29238 (or 29232 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 47072464 is about 6860.9375452630. The cubic root of 47072464 is about 361.0679808440.

The spelling of 47072464 in words is "forty-seven million, seventy-two thousand, four hundred sixty-four".