73679033990 has 32 divisors (see below), whose sum is σ = 134564976000. Its totient is φ = 29042509824.

The previous prime is 73679033971. The next prime is 73679033993. The reversal of 73679033990 is 9933097637.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73679033993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63011 + ... + 389009.

It is an arithmetic number, because the mean of its divisors is an integer number (4205155500).

Almost surely, 2^73679033990 is an apocalyptic number.

73679033990 is a deficient number, since it is larger than the sum of its proper divisors (60885942010).

73679033990 is a wasteful number, since it uses less digits than its factorization.

73679033990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326336.

The product of its (nonzero) digits is 5786802, while the sum is 56.

The spelling of 73679033990 in words is "seventy-three billion, six hundred seventy-nine million, thirty-three thousand, nine hundred ninety".