74310742 has 16 divisors (see below), whose sum is σ = 121824000. Its totient is φ = 33715240.

The previous prime is 74310739. The next prime is 74310773. The reversal of 74310742 is 24701347.

It is a self number, because there is not a number n which added to its sum of digits gives 74310742.

It is a congruent number.

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, 10359 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (7614000).

Almost surely, 2^74310742 is an apocalyptic number.

74310742 is a deficient number, since it is larger than the sum of its proper divisors (47513258).

74310742 is a wasteful number, since it uses less digits than its factorization.

74310742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 74310742 is about 8620.3678575801. The cubic root of 74310742 is about 420.4204821449.

It can be divided in two parts, 7431074 and 2, that added together give a square (7431076 = 2726²).

The spelling of 74310742 in words is "seventy-four million, three hundred ten thousand, seven hundred forty-two".