73972457804 has 36 divisors (see below), whose sum is σ = 150642315936. Its totient is φ = 31690792224.

The previous prime is 73972457761. The next prime is 73972457851. The reversal of 73972457804 is 40875427937.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73972457804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474134 + ... + 610530.

It is an arithmetic number, because the mean of its divisors is an integer number (4184508776).

Almost surely, 2^73972457804 is an apocalyptic number.

It is an amenable number.

73972457804 is an abundant number, since it is smaller than the sum of its proper divisors (76669858132).

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

73972457804 is a wasteful number, since it uses less digits than its factorization.

73972457804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139182 (or 139173 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 73972457804 in words is "seventy-three billion, nine hundred seventy-two million, four hundred fifty-seven thousand, eight hundred four".