722754760 has 256 divisors, whose sum is σ = 2133734400. Its totient is φ = 214106112.

The previous prime is 722754757. The next prime is 722754763. The reversal of 722754760 is 67457227.

It is an interprime number because it is at equal distance from previous prime (722754757) and next prime (722754763).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (722754763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7451032 + ... + 7451128.

It is an arithmetic number, because the mean of its divisors is an integer number (8334900).

Almost surely, 2^722754760 is an apocalyptic number.

722754760 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 722754760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066867200).

722754760 is an abundant number, since it is smaller than the sum of its proper divisors (1410979640).

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

722754760 is a wasteful number, since it uses less digits than its factorization.

722754760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 722754760 is about 26884.0986458538. The cubic root of 722754760 is about 897.4225681498.

The spelling of 722754760 in words is "seven hundred twenty-two million, seven hundred fifty-four thousand, seven hundred sixty".