744390120 has 32 divisors (see below), whose sum is σ = 2233170720. Its totient is φ = 198504000.

The previous prime is 744390107. The next prime is 744390149. The reversal of 744390120 is 21093447.

It is a happy number.

It is a super-2 number, since 2×744390120² = 1108233301507228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3101506 + ... + 3101745.

It is an arithmetic number, because the mean of its divisors is an integer number (69786585).

Almost surely, 2^744390120 is an apocalyptic number.

It is an amenable number.

744390120 is an abundant number, since it is smaller than the sum of its proper divisors (1488780600).

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

744390120 is a wasteful number, since it uses less digits than its factorization.

744390120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203265 (or 6203261 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 744390120 is about 27283.5137033337. The cubic root of 744390120 is about 906.2893295971.

The spelling of 744390120 in words is "seven hundred forty-four million, three hundred ninety thousand, one hundred twenty".