740710656 has 297 divisors, whose sum is σ = 2579865771. Its totient is φ = 211631616.

The previous prime is 740710643. The next prime is 740710657. The reversal of 740710656 is 656017047.

The square root of 740710656 is 27216.

It is a perfect power (a square), and thus also a powerful number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 740710656.

It is not an unprimeable number, because it can be changed into a prime (740710657) by changing a digit.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 105815805 + ... + 105815811.

Almost surely, 2^740710656 is an apocalyptic number.

740710656 is the 27216-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740710656

740710656 is an abundant number, since it is smaller than the sum of its proper divisors (1839155115).

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

740710656 is an frugal number, since it uses more digits than its factorization.

740710656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The cubic root of 740710656 is about 904.7936226499.

Multiplying 740710656 by its sum of digits (36), we get a square (26665583616 = 163296²).

740710656 divided by its sum of digits (36) gives a square (20575296 = 4536²).

The spelling of 740710656 in words is "seven hundred forty million, seven hundred ten thousand, six hundred fifty-six".