74392464 has 20 divisors (see below), whose sum is σ = 192180656. Its totient is φ = 24797472.

The previous prime is 74392463. The next prime is 74392469. The reversal of 74392464 is 46429347.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74392463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774874 + ... + 774969.

Almost surely, 2^74392464 is an apocalyptic number.

It is an amenable number.

74392464 is an abundant number, since it is smaller than the sum of its proper divisors (117788192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74392464 is a wasteful number, since it uses less digits than its factorization.

74392464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549854 (or 1549848 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 74392464 is about 8625.1066080368. The cubic root of 74392464 is about 420.5745424896.

The spelling of 74392464 in words is "seventy-four million, three hundred ninety-two thousand, four hundred sixty-four".