731672067 has 54 divisors (see below), whose sum is σ = 1198680588. Its totient is φ = 395797248.

The previous prime is 731672063. The next prime is 731672069. The reversal of 731672067 is 760276137.

731672067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 731672067 - 2² = 731672063 is a prime.

It is a super-3 number, since 3×731672067³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (731672063) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7542963 + ... + 7543059.

Almost surely, 2^731672067 is an apocalyptic number.

731672067 is a deficient number, since it is larger than the sum of its proper divisors (467008521).

731672067 is an equidigital number, since it uses as much as digits as its factorization.

731672067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 731672067 is about 27049.4374618032. The cubic root of 731672067 is about 901.0982752725.

The spelling of 731672067 in words is "seven hundred thirty-one million, six hundred seventy-two thousand, sixty-seven".