74937408 has 112 divisors (see below), whose sum is σ = 244083840. Its totient is φ = 19759104.

The previous prime is 74937403. The next prime is 74937431. The reversal of 74937408 is 80473947.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 74937408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74937403) 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, 15328 + ... + 19616.

It is an arithmetic number, because the mean of its divisors is an integer number (2179320).

Almost surely, 2^74937408 is an apocalyptic number.

74937408 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74937408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122041920).

74937408 is an abundant number, since it is smaller than the sum of its proper divisors (169146432).

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

74937408 is a wasteful number, since it uses less digits than its factorization.

74937408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 74937408 is about 8656.6395327517. The cubic root of 74937408 is about 421.5989841392.

The spelling of 74937408 in words is "seventy-four million, nine hundred thirty-seven thousand, four hundred eight".