731401152772 has 48 divisors (see below), whose sum is σ = 1334156523840. Its totient is φ = 350629488000.

The previous prime is 731401152767. The next prime is 731401152773. The reversal of 731401152772 is 277251104137.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (731401152773) 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 15 ways as a sum of consecutive naturals, for example, 1368022 + ... + 1826002.

It is an arithmetic number, because the mean of its divisors is an integer number (27794927580).

Almost surely, 2^731401152772 is an apocalyptic number.

It is an amenable number.

731401152772 is a deficient number, since it is larger than the sum of its proper divisors (602755371068).

731401152772 is a wasteful number, since it uses less digits than its factorization.

731401152772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458212 (or 458210 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 731401152772 in words is "seven hundred thirty-one billion, four hundred one million, one hundred fifty-two thousand, seven hundred seventy-two".