70913713 has 8 divisors (see below), whose sum is σ = 76545000. Its totient is φ = 65307648.

The previous prime is 70913707. The next prime is 70913737. The reversal of 70913713 is 31731907.

It can be written as a sum of positive squares in 4 ways, for example, as 21464689 + 49449024 = 4633^2 + 7032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70913713 - 2²⁵ = 37359281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70911713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (9568125).

Almost surely, 2^70913713 is an apocalyptic number.

It is an amenable number.

70913713 is a deficient number, since it is larger than the sum of its proper divisors (5631287).

70913713 is a wasteful number, since it uses less digits than its factorization.

70913713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 70913713 is about 8421.0280251285. The cubic root of 70913713 is about 413.9139610541.

The spelling of 70913713 in words is "seventy million, nine hundred thirteen thousand, seven hundred thirteen".