70405316 has 12 divisors (see below), whose sum is σ = 124480188. Its totient is φ = 34839552.

The previous prime is 70405297. The next prime is 70405333. The reversal of 70405316 is 61350407.

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 17056900 = 7304^2 + 4130^2 .

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, 90341 + ... + 91116.

It is an arithmetic number, because the mean of its divisors is an integer number (10373349).

Almost surely, 2^70405316 is an apocalyptic number.

It is an amenable number.

70405316 is a deficient number, since it is larger than the sum of its proper divisors (54074872).

70405316 is a wasteful number, since it uses less digits than its factorization.

70405316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181558 (or 181556 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 70405316 is about 8390.7875673264. The cubic root of 70405316 is about 412.9224391048.

The spelling of 70405316 in words is "seventy million, four hundred five thousand, three hundred sixteen".