73998970402 has 32 divisors (see below), whose sum is σ = 127334874240. Its totient is φ = 31594181760.

The previous prime is 73998970393. The next prime is 73998970429. The reversal of 73998970402 is 20407989937.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 4498152 + ... + 4514572.

It is an arithmetic number, because the mean of its divisors is an integer number (3979214820).

Almost surely, 2^73998970402 is an apocalyptic number.

73998970402 is a deficient number, since it is larger than the sum of its proper divisors (53335903838).

73998970402 is a wasteful number, since it uses less digits than its factorization.

73998970402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17626.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 73998970402 in words is "seventy-three billion, nine hundred ninety-eight million, nine hundred seventy thousand, four hundred two".