42376257 has 96 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 20528640.

The previous prime is 42376249. The next prime is 42376259. The reversal of 42376257 is 75267324.

It is a happy number.

42376257 is a `hidden beast` number, since 4 + 23 + 7 + 625 + 7 = 666.

It is not a de Polignac number, because 42376257 - 2³ = 42376249 is a prime.

Its product of digits (70560) is a multiple of the sum of its prime divisors (147).

It is not an unprimeable number, because it can be changed into a prime (42376259) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 388719 + ... + 388827.

It is an arithmetic number, because the mean of its divisors is an integer number (877800).

Almost surely, 2^42376257 is an apocalyptic number.

It is an amenable number.

42376257 is a deficient number, since it is larger than the sum of its proper divisors (41892543).

42376257 is a wasteful number, since it uses less digits than its factorization.

42376257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 147 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 42376257 is about 6509.7048320181. The cubic root of 42376257 is about 348.6375796743.

The spelling of 42376257 in words is "forty-two million, three hundred seventy-six thousand, two hundred fifty-seven".