74607212736 has 336 divisors, whose sum is σ = 247615553536. Its totient is φ = 21037750272.

The previous prime is 74607212699. The next prime is 74607212747. The reversal of 74607212736 is 63721270647.

74607212736 is a `hidden beast` number, since 7 + 4 + 607 + 2 + 1 + 2 + 7 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 74607212691 and 74607212700.

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, 187927290 + ... + 187927686.

Almost surely, 2^74607212736 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 74607212736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123807776768).

74607212736 is an abundant number, since it is smaller than the sum of its proper divisors (173008340800).

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

74607212736 is a wasteful number, since it uses less digits than its factorization.

74607212736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 74607212736 in words is "seventy-four billion, six hundred seven million, two hundred twelve thousand, seven hundred thirty-six".