744898560 has 240 divisors, whose sum is σ = 2730408576. Its totient is φ = 169869312.

The previous prime is 744898549. The next prime is 744898577. The reversal of 744898560 is 65898447.

It is a tau number, because it is divible by the number of its divisors (240).

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, 1720104 + ... + 1720536.

Almost surely, 2^744898560 is an apocalyptic number.

744898560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744898560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365204288).

744898560 is an abundant number, since it is smaller than the sum of its proper divisors (1985510016).

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

744898560 is an equidigital number, since it uses as much as digits as its factorization.

744898560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 744898560 is about 27292.8298276306. The cubic root of 744898560 is about 906.4956232517.

The spelling of 744898560 in words is "seven hundred forty-four million, eight hundred ninety-eight thousand, five hundred sixty".