47507457 has 8 divisors (see below), whose sum is σ = 64106784. Its totient is φ = 31289888.

The previous prime is 47507441. The next prime is 47507483. The reversal of 47507457 is 75470574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47507457 - 2⁴ = 47507441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47507417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95148 + ... + 95645.

It is an arithmetic number, because the mean of its divisors is an integer number (8013348).

Almost surely, 2^47507457 is an apocalyptic number.

It is an amenable number.

47507457 is a deficient number, since it is larger than the sum of its proper divisors (16599327).

47507457 is a wasteful number, since it uses less digits than its factorization.

47507457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190879.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 47507457 is about 6892.5653424541. The cubic root of 47507457 is about 362.1767728357.

The spelling of 47507457 in words is "forty-seven million, five hundred seven thousand, four hundred fifty-seven".