70615557970 has 16 divisors (see below), whose sum is σ = 127111161600. Its totient is φ = 28245521584.

The previous prime is 70615557953. The next prime is 70615558081. The reversal of 70615557970 is 7975551607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569631 + ... + 682429.

It is an arithmetic number, because the mean of its divisors is an integer number (7944447600).

Almost surely, 2^70615557970 is an apocalyptic number.

70615557970 is a deficient number, since it is larger than the sum of its proper divisors (56495603630).

70615557970 is a wasteful number, since it uses less digits than its factorization.

70615557970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175409.

The product of its (nonzero) digits is 2315250, while the sum is 52.

The spelling of 70615557970 in words is "seventy billion, six hundred fifteen million, five hundred fifty-seven thousand, nine hundred seventy".