74374472 has 8 divisors (see below), whose sum is σ = 139452150. Its totient is φ = 37187232.

The previous prime is 74374457. The next prime is 74374501. The reversal of 74374472 is 27447347.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 10278436 = 8006^2 + 3206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4648397 + ... + 4648412.

Almost surely, 2^74374472 is an apocalyptic number.

It is an amenable number.

74374472 is a deficient number, since it is larger than the sum of its proper divisors (65077678).

74374472 is a wasteful number, since it uses less digits than its factorization.

74374472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296815 (or 9296811 counting only the distinct ones).

The product of its digits is 131712, while the sum is 38.

The square root of 74374472 is about 8624.0635433652. The cubic root of 74374472 is about 420.5406340941.

The spelling of 74374472 in words is "seventy-four million, three hundred seventy-four thousand, four hundred seventy-two".