74409652 has 6 divisors (see below), whose sum is σ = 130216898. Its totient is φ = 37204824.

The previous prime is 74409649. The next prime is 74409653. The reversal of 74409652 is 25690447.

It can be written as a sum of positive squares in only one way, i.e., 59074596 + 15335056 = 7686^2 + 3916^2 .

It is a super-2 number, since 2×74409652² = 11073592621522208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74409653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9301203 + ... + 9301210.

Almost surely, 2^74409652 is an apocalyptic number.

It is an amenable number.

74409652 is a deficient number, since it is larger than the sum of its proper divisors (55807246).

74409652 is a wasteful number, since it uses less digits than its factorization.

74409652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18602417 (or 18602415 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 74409652 is about 8626.1029439719. The cubic root of 74409652 is about 420.6069305309.

The spelling of 74409652 in words is "seventy-four million, four hundred nine thousand, six hundred fifty-two".