74493822 has 32 divisors (see below), whose sum is σ = 160820352. Its totient is φ = 22868064.

The previous prime is 74493821. The next prime is 74493833. The reversal of 74493822 is 22839447.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74493821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44973 + ... + 46599.

It is an arithmetic number, because the mean of its divisors is an integer number (5025636).

Almost surely, 2^74493822 is an apocalyptic number.

74493822 is an abundant number, since it is smaller than the sum of its proper divisors (86326530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74493822 is a wasteful number, since it uses less digits than its factorization.

74493822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its digits is 96768, while the sum is 39.

The square root of 74493822 is about 8630.9803614653. The cubic root of 74493822 is about 420.7654634811.

The spelling of 74493822 in words is "seventy-four million, four hundred ninety-three thousand, eight hundred twenty-two".