1573722465 has 48 divisors (see below), whose sum is σ = 2972860992. Its totient is φ = 708656256.

The previous prime is 1573722463. The next prime is 1573722467. The reversal of 1573722465 is 5642273751.

It is an interprime number because it is at equal distance from previous prime (1573722463) and next prime (1573722467).

It is not a de Polignac number, because 1573722465 - 2¹ = 1573722463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1573722463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33267 + ... + 65223.

It is an arithmetic number, because the mean of its divisors is an integer number (61934604).

Almost surely, 2^1573722465 is an apocalyptic number.

1573722465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1573722465 is a deficient number, since it is larger than the sum of its proper divisors (1399138527).

1573722465 is a wasteful number, since it uses less digits than its factorization.

1573722465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32046 (or 32039 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 1573722465 is about 39670.1709726590. The cubic root of 1573722465 is about 1163.1687205792.

The spelling of 1573722465 in words is "one billion, five hundred seventy-three million, seven hundred twenty-two thousand, four hundred sixty-five".