731972 has 12 divisors (see below), whose sum is σ = 1322496. Its totient is φ = 354120.

The previous prime is 731957. The next prime is 731981. The reversal of 731972 is 279137.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (110208).

2⁷³¹⁹⁷² is an apocalyptic number.

It is an amenable number.

731972 is a deficient number, since it is larger than the sum of its proper divisors (590524).

731972 is a wasteful number, since it uses less digits than its factorization.

731972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938 (or 5936 counting only the distinct ones).

The product of its digits is 2646, while the sum is 29.

The square root of 731972 is about 855.5536219314. The cubic root of 731972 is about 90.1221386978.

The spelling of 731972 in words is "seven hundred thirty-one thousand, nine hundred seventy-two".