731672706 has 32 divisors (see below), whose sum is σ = 1511661888. Its totient is φ = 235915200.

The previous prime is 731672701. The next prime is 731672723. The reversal of 731672706 is 607276137.

It is not an unprimeable number, because it can be changed into a prime (731672701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28881 + ... + 47931.

It is an arithmetic number, because the mean of its divisors is an integer number (47239434).

Almost surely, 2^731672706 is an apocalyptic number.

731672706 is an abundant number, since it is smaller than the sum of its proper divisors (779989182).

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

731672706 is a wasteful number, since it uses less digits than its factorization.

731672706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19266.

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

The square root of 731672706 is about 27049.4492735065. The cubic root of 731672706 is about 901.0985375947.

The spelling of 731672706 in words is "seven hundred thirty-one million, six hundred seventy-two thousand, seven hundred six".