731490348 has 96 divisors (see below), whose sum is σ = 1949149440. Its totient is φ = 212060160.

The previous prime is 731490343. The next prime is 731490359. The reversal of 731490348 is 843094137.

It is a super-2 number, since 2×731490348² = 1070156258434322208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (731490343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156615 + ... + 161217.

It is an arithmetic number, because the mean of its divisors is an integer number (20303640).

Almost surely, 2^731490348 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 731490348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974574720).

731490348 is an abundant number, since it is smaller than the sum of its proper divisors (1217659092).

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

731490348 is a wasteful number, since it uses less digits than its factorization.

731490348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 731490348 is about 27046.0782369644. The cubic root of 731490348 is about 901.0236697933.

The spelling of 731490348 in words is "seven hundred thirty-one million, four hundred ninety thousand, three hundred forty-eight".