74463790 has 16 divisors (see below), whose sum is σ = 137304720. Its totient is φ = 29058880.

The previous prime is 74463787. The next prime is 74463803. The reversal of 74463790 is 9736447.

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, 90400 + ... + 91219.

It is an arithmetic number, because the mean of its divisors is an integer number (8581545).

Almost surely, 2^74463790 is an apocalyptic number.

74463790 is a deficient number, since it is larger than the sum of its proper divisors (62840930).

74463790 is a wasteful number, since it uses less digits than its factorization.

74463790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181667.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 74463790 is about 8629.2404068956. The cubic root of 74463790 is about 420.7089123625.

It can be divided in two parts, 7446 and 3790, that added together give a square (11236 = 106²).

The spelling of 74463790 in words is "seventy-four million, four hundred sixty-three thousand, seven hundred ninety".