42706570 has 16 divisors (see below), whose sum is σ = 77205960. Its totient is φ = 17008384.

The previous prime is 42706541. The next prime is 42706577. The reversal of 42706570 is 7560724.

It can be written as a sum of positive squares in 4 ways, for example, as 28121809 + 14584761 = 5303^2 + 3819^2 .

It is a super-2 number, since 2×42706570² = 3647702242329800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42706577) 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, 6835 + ... + 11494.

Almost surely, 2^42706570 is an apocalyptic number.

42706570 is a deficient number, since it is larger than the sum of its proper divisors (34499390).

42706570 is a wasteful number, since it uses less digits than its factorization.

42706570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18569.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 42706570 is about 6535.0263962742. The cubic root of 42706570 is about 349.5410856166.

The spelling of 42706570 in words is "forty-two million, seven hundred six thousand, five hundred seventy".