47432657 has 4 divisors (see below), whose sum is σ = 47631360. Its totient is φ = 47233956.

The previous prime is 47432653. The next prime is 47432659. The reversal of 47432657 is 75623474.

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.

It is a cyclic number.

It is not a de Polignac number, because 47432657 - 2² = 47432653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47432657.

It is not an unprimeable number, because it can be changed into a prime (47432653) 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, 98993 + ... + 99470.

It is an arithmetic number, because the mean of its divisors is an integer number (11907840).

Almost surely, 2^47432657 is an apocalyptic number.

It is an amenable number.

47432657 is a deficient number, since it is larger than the sum of its proper divisors (198703).

47432657 is a wasteful number, since it uses less digits than its factorization.

47432657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198702.

The product of its digits is 141120, while the sum is 38.

The square root of 47432657 is about 6887.1370684777. The cubic root of 47432657 is about 361.9865917930.

The spelling of 47432657 in words is "forty-seven million, four hundred thirty-two thousand, six hundred fifty-seven".