740758640 has 40 divisors (see below), whose sum is σ = 1777826688. Its totient is φ = 286744320.

The previous prime is 740758607. The next prime is 740758657. The reversal of 740758640 is 46857047.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146867 + ... + 151826.

Almost surely, 2^740758640 is an apocalyptic number.

It is an amenable number.

740758640 is an abundant number, since it is smaller than the sum of its proper divisors (1037068048).

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

740758640 is a wasteful number, since it uses less digits than its factorization.

740758640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298737 (or 298731 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 740758640 is about 27216.8815259941. The cubic root of 740758640 is about 904.8131600493.

The spelling of 740758640 in words is "seven hundred forty million, seven hundred fifty-eight thousand, six hundred forty".