1572680961 has 16 divisors (see below), whose sum is σ = 2335782400. Its totient is φ = 1045805904.

The previous prime is 1572680953. The next prime is 1572680981. The reversal of 1572680961 is 1690862751.

It is not a de Polignac number, because 1572680961 - 2³ = 1572680953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1572680981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62641 + ... + 84078.

It is an arithmetic number, because the mean of its divisors is an integer number (145986400).

Almost surely, 2^1572680961 is an apocalyptic number.

It is an amenable number.

1572680961 is a deficient number, since it is larger than the sum of its proper divisors (763101439).

1572680961 is a wasteful number, since it uses less digits than its factorization.

1572680961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147125 (or 147119 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1572680961 is about 39657.0417580535. The cubic root of 1572680961 is about 1162.9120653665.

The spelling of 1572680961 in words is "one billion, five hundred seventy-two million, six hundred eighty thousand, nine hundred sixty-one".