722151276 has 96 divisors (see below), whose sum is σ = 2107123200. Its totient is φ = 187008000.

The previous prime is 722151257. The next prime is 722151277. The reversal of 722151276 is 672151227.

722151276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (722151277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369550 + ... + 371498.

It is an arithmetic number, because the mean of its divisors is an integer number (21949200).

Almost surely, 2^722151276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722151276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053561600).

722151276 is an abundant number, since it is smaller than the sum of its proper divisors (1384971924).

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

722151276 is a wasteful number, since it uses less digits than its factorization.

722151276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2373 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 722151276 is about 26872.8724925342. The cubic root of 722151276 is about 897.1727226988.

The spelling of 722151276 in words is "seven hundred twenty-two million, one hundred fifty-one thousand, two hundred seventy-six".