1572265432 has 16 divisors (see below), whose sum is σ = 3010721760. Its totient is φ = 769406304.

The previous prime is 1572265397. The next prime is 1572265463. The reversal of 1572265432 is 2345622751.

It is a junction number, because it is equal to n+sod(n) for n = 1572265391 and 1572265400.

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, 2090403 + ... + 2091154.

It is an arithmetic number, because the mean of its divisors is an integer number (188170110).

Almost surely, 2^1572265432 is an apocalyptic number.

It is an amenable number.

1572265432 is a deficient number, since it is larger than the sum of its proper divisors (1438456328).

1572265432 is a wasteful number, since it uses less digits than its factorization.

1572265432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181610 (or 4181606 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 1572265432 is about 39651.8023802197. The cubic root of 1572265432 is about 1162.8096359769.

The spelling of 1572265432 in words is "one billion, five hundred seventy-two million, two hundred sixty-five thousand, four hundred thirty-two".