734778560 has 112 divisors (see below), whose sum is σ = 1811487360. Its totient is φ = 283668480.

The previous prime is 734778559. The next prime is 734778563. The reversal of 734778560 is 65877437.

734778560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (734778563) 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, 2711225 + ... + 2711495.

Almost surely, 2^734778560 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 734778560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905743680).

734778560 is an abundant number, since it is smaller than the sum of its proper divisors (1076708800).

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

734778560 is a wasteful number, since it uses less digits than its factorization.

734778560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 734778560 is about 27106.7991470775. The cubic root of 734778560 is about 902.3717525068.

The spelling of 734778560 in words is "seven hundred thirty-four million, seven hundred seventy-eight thousand, five hundred sixty".