70531713 has 24 divisors (see below), whose sum is σ = 117044928. Its totient is φ = 40092192.

The previous prime is 70531709. The next prime is 70531751. The reversal of 70531713 is 31713507.

It is not a de Polignac number, because 70531713 - 2² = 70531709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70535713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9570 + ... + 15252.

It is an arithmetic number, because the mean of its divisors is an integer number (4876872).

Almost surely, 2^70531713 is an apocalyptic number.

It is an amenable number.

70531713 is a deficient number, since it is larger than the sum of its proper divisors (46513215).

70531713 is a wasteful number, since it uses less digits than its factorization.

70531713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 70531713 is about 8398.3160812153. The cubic root of 70531713 is about 413.1693946782.

The spelling of 70531713 in words is "seventy million, five hundred thirty-one thousand, seven hundred thirteen".