74469447220 has 48 divisors (see below), whose sum is σ = 180569249280. Its totient is φ = 25269156864.

The previous prime is 74469447211. The next prime is 74469447251. The reversal of 74469447220 is 2274496447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728300 + ... + 2755459.

It is an arithmetic number, because the mean of its divisors is an integer number (3761859360).

Almost surely, 2^74469447220 is an apocalyptic number.

74469447220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74469447220 is an abundant number, since it is smaller than the sum of its proper divisors (106099802060).

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

74469447220 is a wasteful number, since it uses less digits than its factorization.

74469447220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483872 (or 5483870 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 74469447220 in words is "seventy-four billion, four hundred sixty-nine million, four hundred forty-seven thousand, two hundred twenty".