73999389842 has 48 divisors (see below), whose sum is σ = 131936014080. Its totient is φ = 30491158656.

The previous prime is 73999389839. The next prime is 73999389943. The reversal of 73999389842 is 24898399937.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2800838 + ... + 2827134.

It is an arithmetic number, because the mean of its divisors is an integer number (2748666960).

Almost surely, 2^73999389842 is an apocalyptic number.

73999389842 is a deficient number, since it is larger than the sum of its proper divisors (57936624238).

73999389842 is a wasteful number, since it uses less digits than its factorization.

73999389842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603 (or 26574 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 71.

The spelling of 73999389842 in words is "seventy-three billion, nine hundred ninety-nine million, three hundred eighty-nine thousand, eight hundred forty-two".