1497172272 has 20 divisors (see below), whose sum is σ = 3867695160. Its totient is φ = 499057408.

The previous prime is 1497172267. The next prime is 1497172283. The reversal of 1497172272 is 2722717941.

It is an unprimeable number.

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, 15595497 + ... + 15595592.

It is an arithmetic number, because the mean of its divisors is an integer number (193384758).

Almost surely, 2^1497172272 is an apocalyptic number.

1497172272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1497172272 is an abundant number, since it is smaller than the sum of its proper divisors (2370522888).

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

1497172272 is a wasteful number, since it uses less digits than its factorization.

1497172272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31191100 (or 31191094 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 1497172272 is about 38693.3104295820. The cubic root of 1497172272 is about 1143.9944699555.

The spelling of 1497172272 in words is "one billion, four hundred ninety-seven million, one hundred seventy-two thousand, two hundred seventy-two".