74453693 has 8 divisors (see below), whose sum is σ = 80170560. Its totient is φ = 68885440.

The previous prime is 74453689. The next prime is 74453713. The reversal of 74453693 is 39635447.

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

It is a cyclic number.

It is not a de Polignac number, because 74453693 - 2² = 74453689 is a prime.

It is a super-4 number, since 4×74453693⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74453693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74453293) 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, 36113 + ... + 38118.

It is an arithmetic number, because the mean of its divisors is an integer number (10021320).

Almost surely, 2^74453693 is an apocalyptic number.

It is an amenable number.

74453693 is a deficient number, since it is larger than the sum of its proper divisors (5716867).

74453693 is a wasteful number, since it uses less digits than its factorization.

74453693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74307.

The product of its digits is 272160, while the sum is 41.

The square root of 74453693 is about 8628.6553413611. The cubic root of 74453693 is about 420.6898960061.

The spelling of 74453693 in words is "seventy-four million, four hundred fifty-three thousand, six hundred ninety-three".