73081242004 has 12 divisors (see below), whose sum is σ = 127940326164. Its totient is φ = 36526863104.

The previous prime is 73081241999. The next prime is 73081242023. The reversal of 73081242004 is 40024218037.

It can be written as a sum of positive squares in 2 ways, for example, as 53926128400 + 19155113604 = 232220^2 + 138402^2 .

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, 3427519 + ... + 3448774.

It is an arithmetic number, because the mean of its divisors is an integer number (10661693847).

Almost surely, 2^73081242004 is an apocalyptic number.

It is an amenable number.

73081242004 is a deficient number, since it is larger than the sum of its proper divisors (54859084160).

73081242004 is a wasteful number, since it uses less digits than its factorization.

73081242004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878954 (or 6878952 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 73081242004 in words is "seventy-three billion, eighty-one million, two hundred forty-two thousand, four".