1452272731 has 24 divisors (see below), whose sum is σ = 1844312064. Its totient is φ = 1133274240.

The previous prime is 1452272713. The next prime is 1452272791. The reversal of 1452272731 is 1372722541.

It is not a de Polignac number, because 1452272731 - 2¹⁵ = 1452239963 is a prime.

It is a super-2 number, since 2×1452272731² = 4218192170412396722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1452272791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30886 + ... + 62116.

It is an arithmetic number, because the mean of its divisors is an integer number (76846336).

Almost surely, 2^1452272731 is an apocalyptic number.

1452272731 is a deficient number, since it is larger than the sum of its proper divisors (392039333).

1452272731 is a wasteful number, since it uses less digits than its factorization.

1452272731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31331 (or 31324 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 1452272731 is about 38108.6962647635. The cubic root of 1452272731 is about 1132.4422420501.

The spelling of 1452272731 in words is "one billion, four hundred fifty-two million, two hundred seventy-two thousand, seven hundred thirty-one".