720034056 has 128 divisors (see below), whose sum is σ = 2292998400. Its totient is φ = 205079040.

The previous prime is 720034043. The next prime is 720034103. The reversal of 720034056 is 650430027.

It is a happy number.

It is a super-2 number, since 2×720034056² = 1036898083599622272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696516 + ... + 697548.

It is an arithmetic number, because the mean of its divisors is an integer number (17914050).

Almost surely, 2^720034056 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 720034056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146499200).

720034056 is an abundant number, since it is smaller than the sum of its proper divisors (1572964344).

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

720034056 is a wasteful number, since it uses less digits than its factorization.

720034056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 720034056 is about 26833.4503185856. The cubic root of 720034056 is about 896.2950804516.

The spelling of 720034056 in words is "seven hundred twenty million, thirty-four thousand, fifty-six".