74232653 has 6 divisors (see below), whose sum is σ = 81594702. Its totient is φ = 67484120.

The previous prime is 74232637. The next prime is 74232689. The reversal of 74232653 is 35623247.

It can be written as a sum of positive squares in only one way, i.e., 62378404 + 11854249 = 7898^2 + 3443^2 .

It is not a de Polignac number, because 74232653 - 2⁴ = 74232637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74232623) 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, 306626 + ... + 306867.

It is an arithmetic number, because the mean of its divisors is an integer number (13599117).

Almost surely, 2^74232653 is an apocalyptic number.

It is an amenable number.

74232653 is a deficient number, since it is larger than the sum of its proper divisors (7362049).

74232653 is a wasteful number, since it uses less digits than its factorization.

74232653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613515 (or 613504 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 74232653 is about 8615.8373359761. The cubic root of 74232653 is about 420.2731650784.

The spelling of 74232653 in words is "seventy-four million, two hundred thirty-two thousand, six hundred fifty-three".