70840570 has 16 divisors (see below), whose sum is σ = 130960008. Its totient is φ = 27570240.

The previous prime is 70840543. The next prime is 70840577. The reversal of 70840570 is 7504807.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70778569 + 62001 = 8413^2 + 249^2 .

It is not an unprimeable number, because it can be changed into a prime (70840577) 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, 95361 + ... + 96100.

Almost surely, 2^70840570 is an apocalyptic number.

70840570 is a deficient number, since it is larger than the sum of its proper divisors (60119438).

70840570 is a wasteful number, since it uses less digits than its factorization.

70840570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191505.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 70840570 is about 8416.6840263847. The cubic root of 70840570 is about 413.7716034271.

The spelling of 70840570 in words is "seventy million, eight hundred forty thousand, five hundred seventy".