74471532 has 24 divisors (see below), whose sum is σ = 174191472. Its totient is φ = 24763200.

The previous prime is 74471513. The next prime is 74471563. The reversal of 74471532 is 23517447.

It is a junction number, because it is equal to n+sod(n) for n = 74471493 and 74471502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319 + ... + 12422.

It is an arithmetic number, because the mean of its divisors is an integer number (7257978).

Almost surely, 2^74471532 is an apocalyptic number.

It is an amenable number.

74471532 is an abundant number, since it is smaller than the sum of its proper divisors (99719940).

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

74471532 is a wasteful number, since it uses less digits than its factorization.

74471532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169 (or 15167 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 74471532 is about 8629.6889862845. The cubic root of 74471532 is about 420.7234922253.

Adding to 74471532 its reverse (23517447), we get a palindrome (97988979).

The spelling of 74471532 in words is "seventy-four million, four hundred seventy-one thousand, five hundred thirty-two".