72577051 has 2 divisors, whose sum is σ = 72577052. Its totient is φ = 72577050.

The previous prime is 72577039. The next prime is 72577073. The reversal of 72577051 is 15077527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72577051 - 2⁵ = 72577019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72576998 and 72577016.

It is not a weakly prime, because it can be changed into another prime (72577651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36288525 + 36288526.

It is an arithmetic number, because the mean of its divisors is an integer number (36288526).

Almost surely, 2^72577051 is an apocalyptic number.

72577051 is a deficient number, since it is larger than the sum of its proper divisors (1).

72577051 is an equidigital number, since it uses as much as digits as its factorization.

72577051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 72577051 is about 8519.2165719625. The cubic root of 72577051 is about 417.1252108819.

The spelling of 72577051 in words is "seventy-two million, five hundred seventy-seven thousand, fifty-one".