1047631760 has 160 divisors (see below), whose sum is σ = 2884934400. Its totient is φ = 353590272.

The previous prime is 1047631723. The next prime is 1047631769. The reversal of 1047631760 is 671367401.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1047631760.

It is not an unprimeable number, because it can be changed into a prime (1047631769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2002859 + ... + 2003381.

It is an arithmetic number, because the mean of its divisors is an integer number (18030840).

Almost surely, 2^1047631760 is an apocalyptic number.

1047631760 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 1047631760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442467200).

1047631760 is an abundant number, since it is smaller than the sum of its proper divisors (1837302640).

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

1047631760 is an equidigital number, since it uses as much as digits as its factorization.

1047631760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1047631760 is about 32367.1401269868. The cubic root of 1047631760 is about 1015.6316322218.

The spelling of 1047631760 in words is "one billion, forty-seven million, six hundred thirty-one thousand, seven hundred sixty".