744249872772 has 144 divisors (see below), whose sum is σ = 2266634452992. Its totient is φ = 201404905920.

The previous prime is 744249872767. The next prime is 744249872831. The reversal of 744249872772 is 277278942447.

744249872772 is a `hidden beast` number, since 7 + 4 + 4 + 2 + 498 + 72 + 7 + 72 = 666.

744249872772 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×744249872772² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 646348 + ... + 1380675.

Almost surely, 2^744249872772 is an apocalyptic number.

It is an amenable number.

744249872772 is an abundant number, since it is smaller than the sum of its proper divisors (1522384580220).

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

744249872772 is a wasteful number, since it uses less digits than its factorization.

744249872772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027118 (or 2027113 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 63.

The spelling of 744249872772 in words is "seven hundred forty-four billion, two hundred forty-nine million, eight hundred seventy-two thousand, seven hundred seventy-two".