70517070723 has 16 divisors (see below), whose sum is σ = 102634189056. Its totient is φ = 42710991840.

The previous prime is 70517070707. The next prime is 70517070761. The reversal of 70517070723 is 32707071507.

It is not a de Polignac number, because 70517070723 - 2⁴ = 70517070707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70517070773) 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, 611836 + ... + 717897.

It is an arithmetic number, because the mean of its divisors is an integer number (6414636816).

Almost surely, 2^70517070723 is an apocalyptic number.

70517070723 is a deficient number, since it is larger than the sum of its proper divisors (32117118333).

70517070723 is a wasteful number, since it uses less digits than its factorization.

70517070723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331354.

The product of its (nonzero) digits is 72030, while the sum is 39.

The spelling of 70517070723 in words is "seventy billion, five hundred seventeen million, seventy thousand, seven hundred twenty-three".