744472140 has 24 divisors (see below), whose sum is σ = 2084522160. Its totient is φ = 198525888.

The previous prime is 744472123. The next prime is 744472159. The reversal of 744472140 is 41274447.

It is a happy number.

It is a super-4 number, since 4×744472140⁴ (a number of 37 digits) contains 4444 as substring.

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, 6203875 + ... + 6203994.

It is an arithmetic number, because the mean of its divisors is an integer number (86855090).

Almost surely, 2^744472140 is an apocalyptic number.

It is an amenable number.

744472140 is an abundant number, since it is smaller than the sum of its proper divisors (1340050020).

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

744472140 is a wasteful number, since it uses less digits than its factorization.

744472140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407881 (or 12407879 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 744472140 is about 27285.0167674495. The cubic root of 744472140 is about 906.3226146175.

The spelling of 744472140 in words is "seven hundred forty-four million, four hundred seventy-two thousand, one hundred forty".