722754152 has 16 divisors (see below), whose sum is σ = 1391790660. Its totient is φ = 351609984.

The previous prime is 722754121. The next prime is 722754157. The reversal of 722754152 is 251457227.

It can be written as a sum of positive squares in 2 ways, for example, as 721781956 + 972196 = 26866^2 + 986^2 .

It is a super-3 number, since 3×722754152³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (722754157) 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 3 ways as a sum of consecutive naturals, for example, 1220573 + ... + 1221164.

Almost surely, 2^722754152 is an apocalyptic number.

It is an amenable number.

722754152 is a deficient number, since it is larger than the sum of its proper divisors (669036508).

722754152 is a wasteful number, since it uses less digits than its factorization.

722754152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441780 (or 2441776 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 722754152 is about 26884.0873380519. The cubic root of 722754152 is about 897.4223165047.

The spelling of 722754152 in words is "seven hundred twenty-two million, seven hundred fifty-four thousand, one hundred fifty-two".