723771272 has 16 divisors (see below), whose sum is σ = 1550938560. Its totient is φ = 310187664.

The previous prime is 723771271. The next prime is 723771281. The reversal of 723771272 is 272177327.

It is not an unprimeable number, because it can be changed into a prime (723771271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6462188 + ... + 6462299.

It is an arithmetic number, because the mean of its divisors is an integer number (96933660).

Almost surely, 2^723771272 is an apocalyptic number.

It is an amenable number.

723771272 is an abundant number, since it is smaller than the sum of its proper divisors (827167288).

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

723771272 is a wasteful number, since it uses less digits than its factorization.

723771272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924500 (or 12924496 counting only the distinct ones).

The product of its digits is 57624, while the sum is 38.

The square root of 723771272 is about 26902.9974538154. The cubic root of 723771272 is about 897.8430950573.

The spelling of 723771272 in words is "seven hundred twenty-three million, seven hundred seventy-one thousand, two hundred seventy-two".