70993560 has 64 divisors (see below), whose sum is σ = 232346880. Its totient is φ = 17210240.

The previous prime is 70993543. The next prime is 70993567. The reversal of 70993560 is 6539907.

It is a super-2 number, since 2×70993560² = 10080171122947200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70993567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25572 + ... + 28211.

It is an arithmetic number, because the mean of its divisors is an integer number (3630420).

Almost surely, 2^70993560 is an apocalyptic number.

It is an amenable number.

70993560 is an abundant number, since it is smaller than the sum of its proper divisors (161353320).

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

70993560 is a wasteful number, since it uses less digits than its factorization.

70993560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53808 (or 53804 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 70993560 is about 8425.7676208165. The cubic root of 70993560 is about 414.0692549082.

The spelling of 70993560 in words is "seventy million, nine hundred ninety-three thousand, five hundred sixty".