731429088 has 96 divisors (see below), whose sum is σ = 2081421216. Its totient is φ = 223561728.

The previous prime is 731429071. The next prime is 731429089. The reversal of 731429088 is 880924137.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731429089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194070 + ... + 197802.

It is an arithmetic number, because the mean of its divisors is an integer number (21681471).

Almost surely, 2^731429088 is an apocalyptic number.

731429088 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731429088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040710608).

731429088 is an abundant number, since it is smaller than the sum of its proper divisors (1349992128).

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

731429088 is a wasteful number, since it uses less digits than its factorization.

731429088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916 (or 3908 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 731429088 is about 27044.9457015539. The cubic root of 731429088 is about 900.9985164649.

The spelling of 731429088 in words is "seven hundred thirty-one million, four hundred twenty-nine thousand, eighty-eight".