74272408 has 32 divisors (see below), whose sum is σ = 162547200. Its totient is φ = 31152672.

The previous prime is 74272397. The next prime is 74272409. The reversal of 74272408 is 80427247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74272409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11478 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (5079600).

Almost surely, 2^74272408 is an apocalyptic number.

It is an amenable number.

74272408 is an abundant number, since it is smaller than the sum of its proper divisors (88274792).

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

74272408 is a wasteful number, since it uses less digits than its factorization.

74272408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28279 (or 28275 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 74272408 is about 8618.1441157595. The cubic root of 74272408 is about 420.3481768926.

The spelling of 74272408 in words is "seventy-four million, two hundred seventy-two thousand, four hundred eight".