744156 has 36 divisors (see below), whose sum is σ = 2150512. Its totient is φ = 212544.

The previous prime is 744137. The next prime is 744179. The reversal of 744156 is 651447.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 744156.

It is an unprimeable number.

744156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1225 + ... + 1728.

2⁷⁴⁴¹⁵⁶ is an apocalyptic number.

It is an amenable number.

744156 is an abundant number, since it is smaller than the sum of its proper divisors (1406356).

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

744156 is a wasteful number, since it uses less digits than its factorization.

744156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970 (or 2965 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 744156 is about 862.6447704588. The cubic root of 744156 is about 90.6194306526.

It can be divided in two parts, 744 and 156, that added together give a square (900 = 30²).

The spelling of 744156 in words is "seven hundred forty-four thousand, one hundred fifty-six".