74126736 has 30 divisors (see below), whose sum is σ = 207452310. Its totient is φ = 24708864.

The previous prime is 74126713. The next prime is 74126737. The reversal of 74126736 is 63762147.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 921600 = 8556^2 + 960^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 74126736.

It is not an unprimeable number, because it can be changed into a prime (74126737) 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 5 ways as a sum of consecutive naturals, for example, 257241 + ... + 257528.

It is an arithmetic number, because the mean of its divisors is an integer number (6915077).

Almost surely, 2^74126736 is an apocalyptic number.

It is an amenable number.

74126736 is an abundant number, since it is smaller than the sum of its proper divisors (133325574).

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

74126736 is a wasteful number, since it uses less digits than its factorization.

74126736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514783 (or 514774 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 74126736 is about 8609.6884961072. The cubic root of 74126736 is about 420.0731845258.

The spelling of 74126736 in words is "seventy-four million, one hundred twenty-six thousand, seven hundred thirty-six".