734317920 has 288 divisors, whose sum is σ = 2990584800. Its totient is φ = 167795712.

The previous prime is 734317919. The next prime is 734317933. The reversal of 734317920 is 29713437.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209946 + ... + 213414.

It is an arithmetic number, because the mean of its divisors is an integer number (10383975).

Almost surely, 2^734317920 is an apocalyptic number.

734317920 is a gapful number since it is divisible by the number (70) 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 734317920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495292400).

734317920 is an abundant number, since it is smaller than the sum of its proper divisors (2256266880).

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

734317920 is a wasteful number, since it uses less digits than its factorization.

734317920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507 (or 3486 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 734317920 is about 27098.3010537561. The cubic root of 734317920 is about 902.1831444738.

The spelling of 734317920 in words is "seven hundred thirty-four million, three hundred seventeen thousand, nine hundred twenty".