731434860 has 336 divisors, whose sum is σ = 2637575136. Its totient is φ = 168708096.

The previous prime is 731434853. The next prime is 731434867. The reversal of 731434860 is 68434137.

It is an interprime number because it is at equal distance from previous prime (731434853) and next prime (731434867).

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

It is not an unprimeable number, because it can be changed into a prime (731434867) 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 111 ways as a sum of consecutive naturals, for example, 3222067 + ... + 3222293.

It is an arithmetic number, because the mean of its divisors is an integer number (7849926).

Almost surely, 2^731434860 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 731434860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318787568).

731434860 is an abundant number, since it is smaller than the sum of its proper divisors (1906140276).

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

731434860 is a wasteful number, since it uses less digits than its factorization.

731434860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 731434860 is about 27045.0524125948. The cubic root of 731434860 is about 901.0008865054. Note that the first 3 decimals are identical.

Adding to 731434860 its reverse (68434137), we get a palindrome (799868997).

The spelling of 731434860 in words is "seven hundred thirty-one million, four hundred thirty-four thousand, eight hundred sixty".