74457653 has 8 divisors (see below), whose sum is σ = 76617120. Its totient is φ = 72306000.

The previous prime is 74457623. The next prime is 74457659. The reversal of 74457653 is 35675447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74457653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74457653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74457659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21278 + ... + 24528.

It is an arithmetic number, because the mean of its divisors is an integer number (9577140).

Almost surely, 2^74457653 is an apocalyptic number.

It is an amenable number.

74457653 is a deficient number, since it is larger than the sum of its proper divisors (2159467).

74457653 is a wasteful number, since it uses less digits than its factorization.

74457653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907.

The product of its digits is 352800, while the sum is 41.

The square root of 74457653 is about 8628.8848062771. The cubic root of 74457653 is about 420.6973543443.

The spelling of 74457653 in words is "seventy-four million, four hundred fifty-seven thousand, six hundred fifty-three".