1063994720 has 48 divisors (see below), whose sum is σ = 2622987360. Its totient is φ = 407092224.

The previous prime is 1063994713. The next prime is 1063994761. The reversal of 1063994720 is 274993601.

It is a super-2 number, since 2×1063994720² = 2264169528375756800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140885 + ... + 148244.

It is an arithmetic number, because the mean of its divisors is an integer number (54645570).

Almost surely, 2^1063994720 is an apocalyptic number.

1063994720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063994720 is an abundant number, since it is smaller than the sum of its proper divisors (1558992640).

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

1063994720 is a wasteful number, since it uses less digits than its factorization.

1063994720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289167 (or 289159 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1063994720 is about 32618.9319261070. The cubic root of 1063994720 is about 1020.8920557011.

The spelling of 1063994720 in words is "one billion, sixty-three million, nine hundred ninety-four thousand, seven hundred twenty".