744734140 has 12 divisors (see below), whose sum is σ = 1563941736. Its totient is φ = 297893648.

The previous prime is 744734117. The next prime is 744734141. The reversal of 744734140 is 41437447.

It is a junction number, because it is equal to n+sod(n) for n = 744734096 and 744734105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744734141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18618334 + ... + 18618373.

It is an arithmetic number, because the mean of its divisors is an integer number (130328478).

Almost surely, 2^744734140 is an apocalyptic number.

It is an amenable number.

744734140 is an abundant number, since it is smaller than the sum of its proper divisors (819207596).

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

744734140 is a wasteful number, since it uses less digits than its factorization.

744734140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37236716 (or 37236714 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 744734140 is about 27289.8175149633. The cubic root of 744734140 is about 906.4289220094.

The spelling of 744734140 in words is "seven hundred forty-four million, seven hundred thirty-four thousand, one hundred forty".