722476740 has 24 divisors (see below), whose sum is σ = 2022935040. Its totient is φ = 192660448.

The previous prime is 722476723. The next prime is 722476751. The reversal of 722476740 is 47674227.

It is a super-4 number, since 4×722476740⁴ (a number of 37 digits) contains 4444 as substring.

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, 6020580 + ... + 6020699.

It is an arithmetic number, because the mean of its divisors is an integer number (84288960).

Almost surely, 2^722476740 is an apocalyptic number.

It is an amenable number.

722476740 is an abundant number, since it is smaller than the sum of its proper divisors (1300458300).

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

722476740 is a wasteful number, since it uses less digits than its factorization.

722476740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12041291 (or 12041289 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 722476740 is about 26878.9274339584. The cubic root of 722476740 is about 897.3074837372.

It can be divided in two parts, 72247 and 6740, that added together give a palindrome (78987).

The spelling of 722476740 in words is "seven hundred twenty-two million, four hundred seventy-six thousand, seven hundred forty".