47431256 has 8 divisors (see below), whose sum is σ = 88933620. Its totient is φ = 23715624.

The previous prime is 47431247. The next prime is 47431259. The reversal of 47431256 is 65213474.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47431259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2964446 + ... + 2964461.

Almost surely, 2^47431256 is an apocalyptic number.

It is an amenable number.

47431256 is a deficient number, since it is larger than the sum of its proper divisors (41502364).

47431256 is a wasteful number, since it uses less digits than its factorization.

47431256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928913 (or 5928909 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 47431256 is about 6887.0353563780. The cubic root of 47431256 is about 361.9830278054.

The spelling of 47431256 in words is "forty-seven million, four hundred thirty-one thousand, two hundred fifty-six".