73698120636 has 48 divisors (see below), whose sum is σ = 197008922880. Its totient is φ = 21005112960.

The previous prime is 73698120611. The next prime is 73698120659. The reversal of 73698120636 is 63602189637.

It is a congruent 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, 1038210 + ... + 1106921.

It is an arithmetic number, because the mean of its divisors is an integer number (4104352560).

Almost surely, 2^73698120636 is an apocalyptic number.

It is an amenable number.

73698120636 is an abundant number, since it is smaller than the sum of its proper divisors (123310802244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73698120636 is a wasteful number, since it uses less digits than its factorization.

73698120636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145554 (or 2145552 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 73698120636 in words is "seventy-three billion, six hundred ninety-eight million, one hundred twenty thousand, six hundred thirty-six".