70131736 has 16 divisors (see below), whose sum is σ = 138418200. Its totient is φ = 33220224.

The previous prime is 70131731. The next prime is 70131739. The reversal of 70131736 is 63713107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70131731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230545 + ... + 230848.

Almost surely, 2^70131736 is an apocalyptic number.

70131736 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70131736 is a deficient number, since it is larger than the sum of its proper divisors (68286464).

70131736 is a wasteful number, since it uses less digits than its factorization.

70131736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461418 (or 461414 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 70131736 is about 8374.4692966181. The cubic root of 70131736 is about 412.3869020825.

The spelling of 70131736 in words is "seventy million, one hundred thirty-one thousand, seven hundred thirty-six".