73629638604 has 252 divisors, whose sum is σ = 210326051208. Its totient is φ = 22525516800.

The previous prime is 73629638591. The next prime is 73629638627. The reversal of 73629638604 is 40683692637.

73629638604 is a `hidden beast` number, since 7 + 3 + 6 + 29 + 6 + 3 + 8 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 34550619 + ... + 34552749.

Almost surely, 2^73629638604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73629638604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105163025604).

73629638604 is an abundant number, since it is smaller than the sum of its proper divisors (136696412604).

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

73629638604 is a wasteful number, since it uses less digits than its factorization.

73629638604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 73629638604 in words is "seventy-three billion, six hundred twenty-nine million, six hundred thirty-eight thousand, six hundred four".