47375457 has 4 divisors (see below), whose sum is σ = 63167280. Its totient is φ = 31583636.

The previous prime is 47375453. The next prime is 47375491. The reversal of 47375457 is 75457374.

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 47375457 - 2² = 47375453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47375453) 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, 7895907 + ... + 7895912.

It is an arithmetic number, because the mean of its divisors is an integer number (15791820).

Almost surely, 2^47375457 is an apocalyptic number.

It is an amenable number.

47375457 is a deficient number, since it is larger than the sum of its proper divisors (15791823).

47375457 is a wasteful number, since it uses less digits than its factorization.

47375457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15791822.

The product of its digits is 411600, while the sum is 42.

The square root of 47375457 is about 6882.9831468630. The cubic root of 47375457 is about 361.8410242800.

The spelling of 47375457 in words is "forty-seven million, three hundred seventy-five thousand, four hundred fifty-seven".