74891064045970 has 32 divisors (see below), whose sum is σ = 142245460229760. Its totient is φ = 28332017577600.

The previous prime is 74891064045943. The next prime is 74891064046003. The reversal of 74891064045970 is 7954046019847.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1829267856 + ... + 1829308795.

It is an arithmetic number, because the mean of its divisors is an integer number (4445170632180).

Almost surely, 2^{74891064045970} is an apocalyptic number.

74891064045970 is a deficient number, since it is larger than the sum of its proper divisors (67354396183790).

74891064045970 is a wasteful number, since it uses less digits than its factorization.

74891064045970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658576770.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 74891064045970 in words is "seventy-four trillion, eight hundred ninety-one billion, sixty-four million, forty-five thousand, nine hundred seventy".