73145600604 has 72 divisors (see below), whose sum is σ = 186848101440. Its totient is φ = 24125040000.

The previous prime is 73145600603. The next prime is 73145600611. The reversal of 73145600604 is 40600654137.

It is a happy number.

73145600604 is a `hidden beast` number, since 7 + 3 + 1 + 45 + 6 + 0 + 0 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73145600603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2934514 + ... + 2959334.

It is an arithmetic number, because the mean of its divisors is an integer number (2595112520).

Almost surely, 2^73145600604 is an apocalyptic number.

It is an amenable number.

73145600604 is an abundant number, since it is smaller than the sum of its proper divisors (113702500836).

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

73145600604 is a wasteful number, since it uses less digits than its factorization.

73145600604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25691 (or 25686 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 73145600604 in words is "seventy-three billion, one hundred forty-five million, six hundred thousand, six hundred four".