1063745904 has 160 divisors (see below), whose sum is σ = 3086024704. Its totient is φ = 313528320.

The previous prime is 1063745899. The next prime is 1063745939. The reversal of 1063745904 is 4095473601.

It is a super-2 number, since 2×1063745904² = 2263110696553554432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2456472 + ... + 2456904.

Almost surely, 2^1063745904 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 1063745904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543012352).

1063745904 is an abundant number, since it is smaller than the sum of its proper divisors (2022278800).

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

1063745904 is a wasteful number, since it uses less digits than its factorization.

1063745904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1063745904 is about 32615.1177216946. The cubic root of 1063745904 is about 1020.8124706944.

The spelling of 1063745904 in words is "one billion, sixty-three million, seven hundred forty-five thousand, nine hundred four".