74743442 has 16 divisors (see below), whose sum is σ = 116449920. Its totient is φ = 35953968.

The previous prime is 74743429. The next prime is 74743477. The reversal of 74743442 is 24434747.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193 + ... + 12284.

It is an arithmetic number, because the mean of its divisors is an integer number (7278120).

Almost surely, 2^74743442 is an apocalyptic number.

74743442 is a deficient number, since it is larger than the sum of its proper divisors (41706478).

74743442 is a wasteful number, since it uses less digits than its factorization.

74743442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13585.

The product of its digits is 75264, while the sum is 35.

The square root of 74743442 is about 8645.4289656442. The cubic root of 74743442 is about 421.2349179677.

The spelling of 74743442 in words is "seventy-four million, seven hundred forty-three thousand, four hundred forty-two".