731414394 has 64 divisors (see below), whose sum is σ = 1687392000. Its totient is φ = 234561600.

The previous prime is 731414389. The next prime is 731414399. The reversal of 731414394 is 493414137.

It is an interprime number because it is at equal distance from previous prime (731414389) and next prime (731414399).

It is not an unprimeable number, because it can be changed into a prime (731414399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561544 + ... + 562844.

It is an arithmetic number, because the mean of its divisors is an integer number (26365500).

Almost surely, 2^731414394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731414394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843696000).

731414394 is an abundant number, since it is smaller than the sum of its proper divisors (955977606).

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

731414394 is a wasteful number, since it uses less digits than its factorization.

731414394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1694 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 731414394 is about 27044.6740412969. The cubic root of 731414394 is about 900.9924829062.

The spelling of 731414394 in words is "seven hundred thirty-one million, four hundred fourteen thousand, three hundred ninety-four".