74692491222 has 16 divisors (see below), whose sum is σ = 149388834672. Its totient is φ = 24896855040.

The previous prime is 74692491221. The next prime is 74692491257. The reversal of 74692491222 is 22219429647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74692491221) 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, 132778 + ... + 408674.

It is an arithmetic number, because the mean of its divisors is an integer number (9336802167).

Almost surely, 2^74692491222 is an apocalyptic number.

74692491222 is an abundant number, since it is smaller than the sum of its proper divisors (74696343450).

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

74692491222 is a wasteful number, since it uses less digits than its factorization.

74692491222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321023.

The product of its digits is 870912, while the sum is 48.

The spelling of 74692491222 in words is "seventy-four billion, six hundred ninety-two million, four hundred ninety-one thousand, two hundred twenty-two".