56413772073 has 24 divisors (see below), whose sum is σ = 82731529608. Its totient is φ = 37038822912.

The previous prime is 56413772057. The next prime is 56413772089. The reversal of 56413772073 is 37027731465.

56413772073 is a `hidden beast` number, since 564 + 13 + 7 + 7 + 2 + 0 + 73 = 666.

It is an interprime number because it is at equal distance from previous prime (56413772057) and next prime (56413772089).

It can be written as a sum of positive squares in 4 ways, for example, as 5485920489 + 50927851584 = 74067^2 + 225672^2 .

It is not a de Polignac number, because 56413772073 - 2⁴ = 56413772057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56413772473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16990 + ... + 336327.

It is an arithmetic number, because the mean of its divisors is an integer number (3447147067).

Almost surely, 2^56413772073 is an apocalyptic number.

It is an amenable number.

56413772073 is a deficient number, since it is larger than the sum of its proper divisors (26317757535).

56413772073 is a wasteful number, since it uses less digits than its factorization.

56413772073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353593 (or 353590 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 56413772073 in words is "fifty-six billion, four hundred thirteen million, seven hundred seventy-two thousand, seventy-three".