740766720 has 176 divisors, whose sum is σ = 2452469760. Its totient is φ = 190611456.

The previous prime is 740766713. The next prime is 740766739. The reversal of 740766720 is 27667047.

It is a happy number.

It is a congruent number.

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, 444609 + ... + 446271.

Almost surely, 2^740766720 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 740766720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226234880).

740766720 is an abundant number, since it is smaller than the sum of its proper divisors (1711703040).

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

740766720 is a wasteful number, since it uses less digits than its factorization.

740766720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 740766720 is about 27217.0299628743. The cubic root of 740766720 is about 904.8164498585.

The spelling of 740766720 in words is "seven hundred forty million, seven hundred sixty-six thousand, seven hundred twenty".