73777460476272 has 80 divisors (see below), whose sum is σ = 218730546539520. Its totient is φ = 20991076598016.

The previous prime is 73777460476241. The next prime is 73777460476327. The reversal of 73777460476272 is 27267406477737.

It is a super-2 number, since 2×73777460476272² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73777460476197 and 73777460476206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459283243 + ... + 459443850.

It is an arithmetic number, because the mean of its divisors is an integer number (2734131831744).

Almost surely, 2^{73777460476272} is an apocalyptic number.

It is an amenable number.

73777460476272 is an abundant number, since it is smaller than the sum of its proper divisors (144953086063248).

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

73777460476272 is a wasteful number, since it uses less digits than its factorization.

73777460476272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918727350 (or 918727344 counting only the distinct ones).

The product of its (nonzero) digits is 813189888, while the sum is 69.

The spelling of 73777460476272 in words is "seventy-three trillion, seven hundred seventy-seven billion, four hundred sixty million, four hundred seventy-six thousand, two hundred seventy-two".