1064790720 has 168 divisors, whose sum is σ = 4185720864. Its totient is φ = 243376128.

The previous prime is 1064790673. The next prime is 1064790731. The reversal of 1064790720 is 270974601.

It is a happy number.

1064790720 is a `hidden beast` number, since 1 + 0 + 647 + 9 + 0 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×1064790720² = 2267558554796236800, which contains 22 as substring.

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

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, 6249 + ... + 46568.

Almost surely, 2^1064790720 is an apocalyptic number.

1064790720 is a gapful number since it is divisible by the number (10) 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 1064790720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092860432).

1064790720 is an abundant number, since it is smaller than the sum of its proper divisors (3120930144).

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

1064790720 is a wasteful number, since it uses less digits than its factorization.

1064790720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52847 (or 52834 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1064790720 is about 32631.1311480310. The cubic root of 1064790720 is about 1021.1465768611.

The spelling of 1064790720 in words is "one billion, sixty-four million, seven hundred ninety thousand, seven hundred twenty".