70275290 has 24 divisors (see below), whose sum is σ = 128373660. Its totient is φ = 27695360.

The previous prime is 70275277. The next prime is 70275307. The reversal of 70275290 is 9257207.

It can be written as a sum of positive squares in 6 ways, for example, as 31125241 + 39150049 = 5579^2 + 6257^2 .

It is a congruent number.

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, 249950 + ... + 250230.

Almost surely, 2^70275290 is an apocalyptic number.

70275290 is a deficient number, since it is larger than the sum of its proper divisors (58098370).

70275290 is an equidigital number, since it uses as much as digits as its factorization.

70275290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 70275290 is about 8383.0358462791. The cubic root of 70275290 is about 412.6680845456.

The spelling of 70275290 in words is "seventy million, two hundred seventy-five thousand, two hundred ninety".