70731317534 has 32 divisors (see below), whose sum is σ = 108021150720. Its totient is φ = 34728910272.

The previous prime is 70731317509. The next prime is 70731317539. The reversal of 70731317534 is 43571313707.

It is a junction number, because it is equal to n+sod(n) for n = 70731317491 and 70731317500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70731317539) 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, 41050397 + ... + 41052119.

It is an arithmetic number, because the mean of its divisors is an integer number (3375660960).

Almost surely, 2^70731317534 is an apocalyptic number.

70731317534 is a deficient number, since it is larger than the sum of its proper divisors (37289833186).

70731317534 is a wasteful number, since it uses less digits than its factorization.

70731317534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864.

The product of its (nonzero) digits is 185220, while the sum is 41.

The spelling of 70731317534 in words is "seventy billion, seven hundred thirty-one million, three hundred seventeen thousand, five hundred thirty-four".