70369988 has 12 divisors (see below), whose sum is σ = 132620460. Its totient is φ = 32478432.

The previous prime is 70369927. The next prime is 70369991. The reversal of 70369988 is 88996307.

It can be written as a sum of positive squares in 2 ways, for example, as 45589504 + 24780484 = 6752^2 + 4978^2 .

It is a super-2 number, since 2×70369988² = 9903870422240288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676583 + ... + 676686.

It is an arithmetic number, because the mean of its divisors is an integer number (11051705).

Almost surely, 2^70369988 is an apocalyptic number.

It is an amenable number.

70369988 is a deficient number, since it is larger than the sum of its proper divisors (62250472).

70369988 is a wasteful number, since it uses less digits than its factorization.

70369988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353286 (or 1353284 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 70369988 is about 8388.6821372609. The cubic root of 70369988 is about 412.8533621024.

The spelling of 70369988 in words is "seventy million, three hundred sixty-nine thousand, nine hundred eighty-eight".