734879720 has 64 divisors (see below), whose sum is σ = 1800576000. Its totient is φ = 268869888.

The previous prime is 734879713. The next prime is 734879741. The reversal of 734879720 is 27978437.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5369 + ... + 38711.

It is an arithmetic number, because the mean of its divisors is an integer number (28134000).

Almost surely, 2^734879720 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 734879720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900288000).

734879720 is an abundant number, since it is smaller than the sum of its proper divisors (1065696280).

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

734879720 is a wasteful number, since it uses less digits than its factorization.

734879720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33402 (or 33398 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 734879720 is about 27108.6650353720. The cubic root of 734879720 is about 902.4131616889.

The spelling of 734879720 in words is "seven hundred thirty-four million, eight hundred seventy-nine thousand, seven hundred twenty".