1047747264 has 112 divisors (see below), whose sum is σ = 3036722400. Its totient is φ = 317341696.

The previous prime is 1047747257. The next prime is 1047747277. The reversal of 1047747264 is 4627477401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89122 + ... + 100190.

Almost surely, 2^1047747264 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 1047747264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518361200).

1047747264 is an abundant number, since it is smaller than the sum of its proper divisors (1988975136).

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

1047747264 is a wasteful number, since it uses less digits than its factorization.

1047747264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130 (or 11120 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 1047747264 is about 32368.9243565491. The cubic root of 1047747264 is about 1015.6689561523.

The spelling of 1047747264 in words is "one billion, forty-seven million, seven hundred forty-seven thousand, two hundred sixty-four".