74475432 has 24 divisors (see below), whose sum is σ = 201704490. Its totient is φ = 24825120.

The previous prime is 74475431. The next prime is 74475461. The reversal of 74475432 is 23457447.

74475432 is a `hidden beast` number, since 74 + 47 + 543 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71673156 + 2802276 = 8466^2 + 1674^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74475431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 517119 + ... + 517262.

Almost surely, 2^74475432 is an apocalyptic number.

74475432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74475432 is an abundant number, since it is smaller than the sum of its proper divisors (127229058).

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

74475432 is a wasteful number, since it uses less digits than its factorization.

74475432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034393 (or 1034386 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 74475432 is about 8629.9149474372. The cubic root of 74475432 is about 420.7308363873.

It can be divided in two parts, 744 and 75432, that added together give a square (76176 = 276²).

The spelling of 74475432 in words is "seventy-four million, four hundred seventy-five thousand, four hundred thirty-two".