744178940 has 12 divisors (see below), whose sum is σ = 1562775816. Its totient is φ = 297671568.

The previous prime is 744178937. The next prime is 744178951. The reversal of 744178940 is 49871447.

It is a junction number, because it is equal to n+sod(n) for n = 744178891 and 744178900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18604454 + ... + 18604493.

It is an arithmetic number, because the mean of its divisors is an integer number (130231318).

Almost surely, 2^744178940 is an apocalyptic number.

It is an amenable number.

744178940 is an abundant number, since it is smaller than the sum of its proper divisors (818596876).

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

744178940 is a wasteful number, since it uses less digits than its factorization.

744178940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37208956 (or 37208954 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 744178940 is about 27279.6433261141. The cubic root of 744178940 is about 906.2036181415.

The spelling of 744178940 in words is "seven hundred forty-four million, one hundred seventy-eight thousand, nine hundred forty".