1027454720 has 72 divisors (see below), whose sum is σ = 2501610720. Its totient is φ = 404213760.

The previous prime is 1027454713. The next prime is 1027454723. The reversal of 1027454720 is 274547201.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027454723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71501 + ... + 84659.

Almost surely, 2^1027454720 is an apocalyptic number.

1027454720 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 1027454720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250805360).

1027454720 is an abundant number, since it is smaller than the sum of its proper divisors (1474156000).

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

1027454720 is an equidigital number, since it uses as much as digits as its factorization.

1027454720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13241 (or 13227 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 1027454720 is about 32053.9345478835. The cubic root of 1027454720 is about 1009.0690765457.

The spelling of 1027454720 in words is "one billion, twenty-seven million, four hundred fifty-four thousand, seven hundred twenty".