80472573 has 6 divisors (see below), whose sum is σ = 116238174. Its totient is φ = 53648376.

The previous prime is 80472569. The next prime is 80472583. The reversal of 80472573 is 37527408.

80472573 is a `hidden beast` number, since 80 + 4 + 7 + 2 + 573 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79602084 + 870489 = 8922^2 + 933^2 .

It is not a de Polignac number, because 80472573 - 2² = 80472569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80472503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4470690 + ... + 4470707.

It is an arithmetic number, because the mean of its divisors is an integer number (19373029).

Almost surely, 2^80472573 is an apocalyptic number.

It is an amenable number.

80472573 is a deficient number, since it is larger than the sum of its proper divisors (35765601).

80472573 is a wasteful number, since it uses less digits than its factorization.

80472573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8941403 (or 8941400 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 80472573 is about 8970.6506452988. The cubic root of 80472573 is about 431.7337125643.

The spelling of 80472573 in words is "eighty million, four hundred seventy-two thousand, five hundred seventy-three".