74622493 has 4 divisors (see below), whose sum is σ = 81406368. Its totient is φ = 67838620.

The previous prime is 74622473. The next prime is 74622497. The reversal of 74622493 is 39422647.

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.

It is a cyclic number.

It is not a de Polignac number, because 74622493 - 2⁵ = 74622461 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 (74622497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3391921 + ... + 3391942.

It is an arithmetic number, because the mean of its divisors is an integer number (20351592).

Almost surely, 2^74622493 is an apocalyptic number.

It is an amenable number.

74622493 is a deficient number, since it is larger than the sum of its proper divisors (6783875).

74622493 is a wasteful number, since it uses less digits than its factorization.

74622493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6783874.

The product of its digits is 72576, while the sum is 37.

The square root of 74622493 is about 8638.4311654374. The cubic root of 74622493 is about 421.0075827590.

It can be divided in two parts, 7 and 4622493, that added together give a square (4622500 = 2150²).

The spelling of 74622493 in words is "seventy-four million, six hundred twenty-two thousand, four hundred ninety-three".