47957428 has 6 divisors (see below), whose sum is σ = 83925506. Its totient is φ = 23978712.

The previous prime is 47957417. The next prime is 47957431. The reversal of 47957428 is 82475974.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 22676644 = 5028^2 + 4762^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5994675 + ... + 5994682.

Almost surely, 2^47957428 is an apocalyptic number.

It is an amenable number.

47957428 is a deficient number, since it is larger than the sum of its proper divisors (35968078).

47957428 is a wasteful number, since it uses less digits than its factorization.

47957428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11989361 (or 11989359 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 47957428 is about 6925.1301792818. The cubic root of 47957428 is about 363.3166444840.

The spelling of 47957428 in words is "forty-seven million, nine hundred fifty-seven thousand, four hundred twenty-eight".