74116457 has 4 divisors (see below), whose sum is σ = 75054720. Its totient is φ = 73178196.

The previous prime is 74116453. The next prime is 74116499. The reversal of 74116457 is 75461147.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75461147 = 17 ⋅4438891.

It is a cyclic number.

It is not a de Polignac number, because 74116457 - 2² = 74116453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74116451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469013 + ... + 469170.

It is an arithmetic number, because the mean of its divisors is an integer number (18763680).

Almost surely, 2^74116457 is an apocalyptic number.

It is an amenable number.

74116457 is a deficient number, since it is larger than the sum of its proper divisors (938263).

74116457 is an equidigital number, since it uses as much as digits as its factorization.

74116457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938262.

The product of its digits is 23520, while the sum is 35.

The square root of 74116457 is about 8609.0915316310. The cubic root of 74116457 is about 420.0537667373.

The spelling of 74116457 in words is "seventy-four million, one hundred sixteen thousand, four hundred fifty-seven".