74712408 has 64 divisors (see below), whose sum is σ = 200016000. Its totient is φ = 23185152.

The previous prime is 74712401. The next prime is 74712419. The reversal of 74712408 is 80421747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74712401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25516 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (3125250).

Almost surely, 2^74712408 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 74712408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100008000).

74712408 is an abundant number, since it is smaller than the sum of its proper divisors (125303592).

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

74712408 is a wasteful number, since it uses less digits than its factorization.

74712408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 74712408 is about 8643.6339580063. The cubic root of 74712408 is about 421.1766100021.

The spelling of 74712408 in words is "seventy-four million, seven hundred twelve thousand, four hundred eight".