740976640 has 72 divisors (see below), whose sum is σ = 1784543670. Its totient is φ = 295288832.

The previous prime is 740976589. The next prime is 740976653. The reversal of 740976640 is 46679047.

It can be written as a sum of positive squares in 3 ways, for example, as 223323136 + 517653504 = 14944^2 + 22752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2754426 + ... + 2754694.

Almost surely, 2^740976640 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 740976640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892271835).

740976640 is an abundant number, since it is smaller than the sum of its proper divisors (1043567030).

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

740976640 is an frugal number, since it uses more digits than its factorization.

740976640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 740976640 is about 27220.8860987294. The cubic root of 740976640 is about 904.9019113698.

The spelling of 740976640 in words is "seven hundred forty million, nine hundred seventy-six thousand, six hundred forty".