709729992 has 96 divisors (see below), whose sum is σ = 2042320800. Its totient is φ = 228360384.

The previous prime is 709729973. The next prime is 709730003. The reversal of 709729992 is 299927907.

709729992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179703 + ... + 183609.

It is an arithmetic number, because the mean of its divisors is an integer number (21274175).

Almost surely, 2^709729992 is an apocalyptic number.

709729992 is a gapful number since it is divisible by the number (72) 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 709729992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021160400).

709729992 is an abundant number, since it is smaller than the sum of its proper divisors (1332590808).

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

709729992 is a wasteful number, since it uses less digits than its factorization.

709729992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 709729992 is about 26640.7580973215. The cubic root of 709729992 is about 891.9990381189. Note that the first 3 decimals are identical.

The spelling of 709729992 in words is "seven hundred nine million, seven hundred twenty-nine thousand, nine hundred ninety-two".