731347164 has 96 divisors (see below), whose sum is σ = 2060441600. Its totient is φ = 223482240.

The previous prime is 731347151. The next prime is 731347171. The reversal of 731347164 is 461743137.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57864 + ... + 69360.

Almost surely, 2^731347164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731347164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030220800).

731347164 is an abundant number, since it is smaller than the sum of its proper divisors (1329094436).

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

731347164 is a wasteful number, since it uses less digits than its factorization.

731347164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11560 (or 11552 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 731347164 is about 27043.4310693004. The cubic root of 731347164 is about 900.9648763122.

The spelling of 731347164 in words is "seven hundred thirty-one million, three hundred forty-seven thousand, one hundred sixty-four".