1572790272 has 56 divisors (see below), whose sum is σ = 4193916936. Its totient is φ = 524255232.

The previous prime is 1572790237. The next prime is 1572790283. The reversal of 1572790272 is 2720972751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7423 + ... + 56574.

Almost surely, 2^1572790272 is an apocalyptic number.

1572790272 is a gapful number since it is divisible by the number (12) 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 1572790272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096958468).

1572790272 is an abundant number, since it is smaller than the sum of its proper divisors (2621126664).

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

1572790272 is an frugal number, since it uses more digits than its factorization.

1572790272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64026 (or 64002 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 1572790272 is about 39658.4199382678. The cubic root of 1572790272 is about 1162.9390079227.

The spelling of 1572790272 in words is "one billion, five hundred seventy-two million, seven hundred ninety thousand, two hundred seventy-two".