740655720 has 384 divisors, whose sum is σ = 2995200000. Its totient is φ = 154897920.

The previous prime is 740655719. The next prime is 740655743. The reversal of 740655720 is 27556047.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1484031 + ... + 1484529.

It is an arithmetic number, because the mean of its divisors is an integer number (7800000).

Almost surely, 2^740655720 is an apocalyptic number.

740655720 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 740655720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497600000).

740655720 is an abundant number, since it is smaller than the sum of its proper divisors (2254544280).

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

740655720 is a wasteful number, since it uses less digits than its factorization.

740655720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 740655720 is about 27214.9907220267. The cubic root of 740655720 is about 904.7712536043.

The spelling of 740655720 in words is "seven hundred forty million, six hundred fifty-five thousand, seven hundred twenty".