74650680 has 192 divisors, whose sum is σ = 270108000. Its totient is φ = 18330624.

The previous prime is 74650679. The next prime is 74650687. The reversal of 74650680 is 8605647.

It is a happy number.

74650680 is a `hidden beast` number, since 74 + 6 + 506 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74650687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182316 + ... + 182724.

Almost surely, 2^74650680 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 74650680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135054000).

74650680 is an abundant number, since it is smaller than the sum of its proper divisors (195457320).

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

74650680 is a wasteful number, since it uses less digits than its factorization.

74650680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 74650680 is about 8640.0624997739. The cubic root of 74650680 is about 421.0605848607.

The spelling of 74650680 in words is "seventy-four million, six hundred fifty thousand, six hundred eighty".