74522361 has 4 divisors (see below), whose sum is σ = 99363152. Its totient is φ = 49681572.

The previous prime is 74522353. The next prime is 74522387. The reversal of 74522361 is 16322547.

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: 16322547 = 3 ⋅5440849.

It is not a de Polignac number, because 74522361 - 2³ = 74522353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74542361) 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, 12420391 + ... + 12420396.

It is an arithmetic number, because the mean of its divisors is an integer number (24840788).

Almost surely, 2^74522361 is an apocalyptic number.

It is an amenable number.

74522361 is a deficient number, since it is larger than the sum of its proper divisors (24840791).

74522361 is a wasteful number, since it uses less digits than its factorization.

74522361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24840790.

The product of its digits is 10080, while the sum is 30.

The square root of 74522361 is about 8632.6334915830. The cubic root of 74522361 is about 420.8191891553.

The spelling of 74522361 in words is "seventy-four million, five hundred twenty-two thousand, three hundred sixty-one".