74669472 has 48 divisors (see below), whose sum is σ = 217788480. Its totient is φ = 24889536.

The previous prime is 74669471. The next prime is 74669479. The reversal of 74669472 is 27496647.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (74669471) by changing a digit.

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, 42348 + ... + 44075.

It is an arithmetic number, because the mean of its divisors is an integer number (4537260).

Almost surely, 2^74669472 is an apocalyptic number.

74669472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74669472 is an abundant number, since it is smaller than the sum of its proper divisors (143119008).

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

74669472 is a wasteful number, since it uses less digits than its factorization.

74669472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86442 (or 86428 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 74669472 is about 8641.1499234766. The cubic root of 74669472 is about 421.0959134367.

The spelling of 74669472 in words is "seventy-four million, six hundred sixty-nine thousand, four hundred seventy-two".