70556490 has 48 divisors (see below), whose sum is σ = 187931016. Its totient is φ = 18355200.

The previous prime is 70556489. The next prime is 70556509. The reversal of 70556490 is 9465507.

70556490 is a `hidden beast` number, since 7 + 0 + 5 + 5 + 649 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52229529 + 18326961 = 7227^2 + 4281^2 .

It is a super-2 number, since 2×70556490² = 9956436562240200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5871 + ... + 13250.

Almost surely, 2^70556490 is an apocalyptic number.

70556490 is an abundant number, since it is smaller than the sum of its proper divisors (117374526).

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

70556490 is a wasteful number, since it uses less digits than its factorization.

70556490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19175 (or 19172 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 70556490 is about 8399.7910688302. The cubic root of 70556490 is about 413.2177696061.

The spelling of 70556490 in words is "seventy million, five hundred fifty-six thousand, four hundred ninety".