731364396 has 144 divisors (see below), whose sum is σ = 2123573760. Its totient is φ = 194853120.

The previous prime is 731364391. The next prime is 731364407. The reversal of 731364396 is 693463137.

It is a super-4 number, since 4×731364396⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (731364391) by changing a digit.

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, 553825 + ... + 555143.

It is an arithmetic number, because the mean of its divisors is an integer number (14747040).

Almost surely, 2^731364396 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 731364396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061786880).

731364396 is an abundant number, since it is smaller than the sum of its proper divisors (1392209364).

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

731364396 is a wasteful number, since it uses less digits than its factorization.

731364396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1395 counting only the distinct ones).

The product of its digits is 244944, while the sum is 42.

The square root of 731364396 is about 27043.7496660504. The cubic root of 731364396 is about 900.9719524340.

The spelling of 731364396 in words is "seven hundred thirty-one million, three hundred sixty-four thousand, three hundred ninety-six".