731106072 has 48 divisors (see below), whose sum is σ = 2000511240. Its totient is φ = 241187328.

The previous prime is 731106049. The next prime is 731106091. The reversal of 731106072 is 270601137.

731106072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45358 + ... + 59325.

Almost surely, 2^731106072 is an apocalyptic number.

731106072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

731106072 is an abundant number, since it is smaller than the sum of its proper divisors (1269405168).

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

731106072 is a wasteful number, since it uses less digits than its factorization.

731106072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104792 (or 104785 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 731106072 is about 27038.9732053567. The cubic root of 731106072 is about 900.8658630083.

The spelling of 731106072 in words is "seven hundred thirty-one million, one hundred six thousand, seventy-two".