1572357472 has 144 divisors (see below), whose sum is σ = 3879314208. Its totient is φ = 623185920.

The previous prime is 1572357469. The next prime is 1572357481. The reversal of 1572357472 is 2747532751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1625533 + ... + 1626499.

It is an arithmetic number, because the mean of its divisors is an integer number (26939682).

Almost surely, 2^1572357472 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 1572357472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939657104).

1572357472 is an abundant number, since it is smaller than the sum of its proper divisors (2306956736).

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

1572357472 is a wasteful number, since it uses less digits than its factorization.

1572357472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1054 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 1572357472 is about 39652.9629662148. The cubic root of 1572357472 is about 1162.8323257230.

The spelling of 1572357472 in words is "one billion, five hundred seventy-two million, three hundred fifty-seven thousand, four hundred seventy-two".