74610169920 has 672 divisors, whose sum is σ = 311939147520. Its totient is φ = 16117678080.

The previous prime is 74610169903. The next prime is 74610169967. The reversal of 74610169920 is 2996101647.

74610169920 is a `hidden beast` number, since 7 + 4 + 610 + 1 + 6 + 9 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11940237 + ... + 11946483.

It is an arithmetic number, because the mean of its divisors is an integer number (464195160).

Almost surely, 2^74610169920 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 74610169920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155969573760).

74610169920 is an abundant number, since it is smaller than the sum of its proper divisors (237328977600).

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

74610169920 is a wasteful number, since it uses less digits than its factorization.

74610169920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323 (or 6310 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 74610169920 in words is "seventy-four billion, six hundred ten million, one hundred sixty-nine thousand, nine hundred twenty".