70717392 has 60 divisors (see below), whose sum is σ = 208334880. Its totient is φ = 22330944.

The previous prime is 70717379. The next prime is 70717393. The reversal of 70717392 is 29371707.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70717393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10188 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (3472248).

Almost surely, 2^70717392 is an apocalyptic number.

70717392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70717392 is an abundant number, since it is smaller than the sum of its proper divisors (137617488).

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

70717392 is a wasteful number, since it uses less digits than its factorization.

70717392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25880 (or 25871 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 70717392 is about 8409.3633528347. The cubic root of 70717392 is about 413.5316414579.

The spelling of 70717392 in words is "seventy million, seven hundred seventeen thousand, three hundred ninety-two".