57740070 has 16 divisors (see below), whose sum is σ = 138576240. Its totient is φ = 15397344.

The previous prime is 57740063. The next prime is 57740071. The reversal of 57740070 is 7004775.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1924669 = 57740070 / (5 + 7 + 7 + 4 + 0 + 0 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57740071) 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, 962305 + ... + 962364.

It is an arithmetic number, because the mean of its divisors is an integer number (8661015).

Almost surely, 2^57740070 is an apocalyptic number.

57740070 is an abundant number, since it is smaller than the sum of its proper divisors (80836170).

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

57740070 is a wasteful number, since it uses less digits than its factorization.

57740070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924679.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 57740070 is about 7598.6887026644. The cubic root of 57740070 is about 386.5085469554.

The spelling of 57740070 in words is "fifty-seven million, seven hundred forty thousand, seventy".