73698120638 has 8 divisors (see below), whose sum is σ = 110562204720. Its totient is φ = 36844052400.

The previous prime is 73698120611. The next prime is 73698120659. The reversal of 73698120638 is 83602189637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73698120638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2485538 + ... + 2515013.

It is an arithmetic number, because the mean of its divisors is an integer number (13820275590).

Almost surely, 2^73698120638 is an apocalyptic number.

73698120638 is a deficient number, since it is larger than the sum of its proper divisors (36864084082).

73698120638 is a wasteful number, since it uses less digits than its factorization.

73698120638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007922.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 73698120638 in words is "seventy-three billion, six hundred ninety-eight million, one hundred twenty thousand, six hundred thirty-eight".