74886436 has 24 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 35277792.

The previous prime is 74886401. The next prime is 74886437. The reversal of 74886436 is 63468847.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (74886437) 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, 90 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2^74886436 is an apocalyptic number.

It is an amenable number.

74886436 is a deficient number, since it is larger than the sum of its proper divisors (63915164).

74886436 is a wasteful number, since it uses less digits than its factorization.

74886436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12243 (or 12241 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 74886436 is about 8653.6949333796. The cubic root of 74886436 is about 421.5033727116.

It can be divided in two parts, 7488 and 6436, that added together give a square (13924 = 118²).

The spelling of 74886436 in words is "seventy-four million, eight hundred eighty-six thousand, four hundred thirty-six".