72406674756066 has 64 divisors (see below), whose sum is σ = 172701121517568. Its totient is φ = 19787648947968.

The previous prime is 72406674756037. The next prime is 72406674756107. The reversal of 72406674756066 is 66065747660427.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72406674755988 and 72406674756006.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37270570 + ... + 39165146.

It is an arithmetic number, because the mean of its divisors is an integer number (2698455023712).

Almost surely, 2^{72406674756066} is an apocalyptic number.

72406674756066 is an abundant number, since it is smaller than the sum of its proper divisors (100294446761502).

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

72406674756066 is a wasteful number, since it uses less digits than its factorization.

72406674756066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934175.

The product of its (nonzero) digits is 426746880, while the sum is 66.

The spelling of 72406674756066 in words is "seventy-two trillion, four hundred six billion, six hundred seventy-four million, seven hundred fifty-six thousand, sixty-six".