73946172970 has 16 divisors (see below), whose sum is σ = 133128334728. Its totient is φ = 29572864000.

The previous prime is 73946172959. The next prime is 73946173009. The reversal of 73946172970 is 7927164937.

It can be written as a sum of positive squares in 4 ways, for example, as 73944293329 + 1879641 = 271927^2 + 1371^2 .

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, 645031 + ... + 750970.

Almost surely, 2^73946172970 is an apocalyptic number.

73946172970 is a deficient number, since it is larger than the sum of its proper divisors (59182161758).

73946172970 is a wasteful number, since it uses less digits than its factorization.

73946172970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401305.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 73946172970 in words is "seventy-three billion, nine hundred forty-six million, one hundred seventy-two thousand, nine hundred seventy".