744467620 has 48 divisors (see below), whose sum is σ = 1691005680. Its totient is φ = 273678336.

The previous prime is 744467609. The next prime is 744467653. The reversal of 744467620 is 26764447.

It can be written as a sum of positive squares in 8 ways, for example, as 49196196 + 695271424 = 7014^2 + 26368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54436 + ... + 66724.

It is an arithmetic number, because the mean of its divisors is an integer number (35229285).

Almost surely, 2^744467620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744467620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845502840).

744467620 is an abundant number, since it is smaller than the sum of its proper divisors (946538060).

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

744467620 is a wasteful number, since it uses less digits than its factorization.

744467620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544 (or 12542 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 744467620 is about 27284.9339379812. The cubic root of 744467620 is about 906.3207803933.

The spelling of 744467620 in words is "seven hundred forty-four million, four hundred sixty-seven thousand, six hundred twenty".