42057700 has 36 divisors (see below), whose sum is σ = 94216192. Its totient is φ = 16279200.

The previous prime is 42057679. The next prime is 42057721. The reversal of 42057700 is 775024.

It is an interprime number because it is at equal distance from previous prime (42057679) and next prime (42057721).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3684 + ... + 9883.

Almost surely, 2^42057700 is an apocalyptic number.

It is an amenable number.

42057700 is an abundant number, since it is smaller than the sum of its proper divisors (52158492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42057700 is a wasteful number, since it uses less digits than its factorization.

42057700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612 (or 13605 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 42057700 is about 6485.1908221732. The cubic root of 42057700 is about 347.7617716002.

The spelling of 42057700 in words is "forty-two million, fifty-seven thousand, seven hundred".