70893904 has 10 divisors (see below), whose sum is σ = 137356970. Its totient is φ = 35446944.

The previous prime is 70893847. The next prime is 70893919. The reversal of 70893904 is 40939807.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 28643904 = 6500^2 + 5352^2 .

It is a super-2 number, since 2×70893904² = 10051891248722432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215419 + ... + 2215450.

It is an arithmetic number, because the mean of its divisors is an integer number (13735697).

Almost surely, 2^70893904 is an apocalyptic number.

It is an amenable number.

70893904 is a deficient number, since it is larger than the sum of its proper divisors (66463066).

70893904 is a wasteful number, since it uses less digits than its factorization.

70893904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430877 (or 4430871 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 70893904 is about 8419.8517801681. The cubic root of 70893904 is about 413.8754166274.

The spelling of 70893904 in words is "seventy million, eight hundred ninety-three thousand, nine hundred four".