73400673403674 has 12 divisors (see below), whose sum is σ = 159034792374666. Its totient is φ = 24466891134552.

The previous prime is 73400673403667. The next prime is 73400673403693. The reversal of 73400673403674 is 47630437600437.

73400673403674 is a `hidden beast` number, since 73 + 40 + 0 + 6 + 73 + 403 + 67 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48052721048049 + 25347952355625 = 6932007^2 + 5034675^2 .

It is a super-2 number, since 2×73400673403674² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73400673403674.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2038907594529 + ... + 2038907594564.

Almost surely, 2^{73400673403674} is an apocalyptic number.

73400673403674 is an abundant number, since it is smaller than the sum of its proper divisors (85634118970992).

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

73400673403674 is a wasteful number, since it uses less digits than its factorization.

73400673403674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077815189101 (or 4077815189098 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 54.

The spelling of 73400673403674 in words is "seventy-three trillion, four hundred billion, six hundred seventy-three million, four hundred three thousand, six hundred seventy-four".