72426575678184 has 192 divisors, whose sum is σ = 241450188819840. Its totient is φ = 19099277729280.

The previous prime is 72426575678159. The next prime is 72426575678257. The reversal of 72426575678184 is 48187657562427.

72426575678184 is a `hidden beast` number, since 7 + 2 + 4 + 2 + 6 + 57 + 567 + 8 + 1 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55684639 + ... + 56970449.

It is an arithmetic number, because the mean of its divisors is an integer number (1257553066770).

Almost surely, 2^{72426575678184} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72426575678184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120725094409920).

72426575678184 is an abundant number, since it is smaller than the sum of its proper divisors (169023613141656).

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

72426575678184 is a wasteful number, since it uses less digits than its factorization.

72426575678184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294440 (or 1294433 counting only the distinct ones).

The product of its digits is 1264435200, while the sum is 72.

The spelling of 72426575678184 in words is "seventy-two trillion, four hundred twenty-six billion, five hundred seventy-five million, six hundred seventy-eight thousand, one hundred eighty-four".