74253532 has 6 divisors (see below), whose sum is σ = 129943688. Its totient is φ = 37126764.

The previous prime is 74253527. The next prime is 74253533. The reversal of 74253532 is 23535247.

74253532 is nontrivially palindromic in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 74253494 and 74253503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74253533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9281688 + ... + 9281695.

Almost surely, 2^74253532 is an apocalyptic number.

It is an amenable number.

74253532 is a deficient number, since it is larger than the sum of its proper divisors (55690156).

74253532 is a wasteful number, since it uses less digits than its factorization.

74253532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18563387 (or 18563385 counting only the distinct ones).

The product of its digits is 25200, while the sum is 31.

The square root of 74253532 is about 8617.0489147968. The cubic root of 74253532 is about 420.3125640064.

Adding to 74253532 its reverse (23535247), we get a palindrome (97788779).

The spelling of 74253532 in words is "seventy-four million, two hundred fifty-three thousand, five hundred thirty-two".