731606070 has 96 divisors (see below), whose sum is σ = 1919637792. Its totient is φ = 178354176.

The previous prime is 731606063. The next prime is 731606087. The reversal of 731606070 is 70606137.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 572272 + ... + 573548.

It is an arithmetic number, because the mean of its divisors is an integer number (19996227).

Almost surely, 2^731606070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731606070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959818896).

731606070 is an abundant number, since it is smaller than the sum of its proper divisors (1188031722).

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

731606070 is a wasteful number, since it uses less digits than its factorization.

731606070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 731606070 is about 27048.2175013438. The cubic root of 731606070 is about 901.0711813626.

The spelling of 731606070 in words is "seven hundred thirty-one million, six hundred six thousand, seventy".