74779342 has 16 divisors (see below), whose sum is σ = 126586800. Its totient is φ = 32818240.

The previous prime is 74779333. The next prime is 74779357. The reversal of 74779342 is 24397747.

It is a congruent number.

It is an unprimeable number.

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, 57967 + ... + 59242.

It is an arithmetic number, because the mean of its divisors is an integer number (7911675).

Almost surely, 2^74779342 is an apocalyptic number.

74779342 is a deficient number, since it is larger than the sum of its proper divisors (51807458).

74779342 is a wasteful number, since it uses less digits than its factorization.

74779342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117251.

The product of its digits is 296352, while the sum is 43.

The square root of 74779342 is about 8647.5049580789. The cubic root of 74779342 is about 421.3023482450.

It can be divided in two parts, 747 and 79342, that added together give a square (80089 = 283²).

The spelling of 74779342 in words is "seventy-four million, seven hundred seventy-nine thousand, three hundred forty-two".