72550927 has 2 divisors, whose sum is σ = 72550928. Its totient is φ = 72550926.

The previous prime is 72550913. The next prime is 72550957. The reversal of 72550927 is 72905527.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72550927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72550957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36275463 + 36275464.

It is an arithmetic number, because the mean of its divisors is an integer number (36275464).

Almost surely, 2^72550927 is an apocalyptic number.

72550927 is a deficient number, since it is larger than the sum of its proper divisors (1).

72550927 is an equidigital number, since it uses as much as digits as its factorization.

72550927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 72550927 is about 8517.6831943904. The cubic root of 72550927 is about 417.0751570124.

The spelling of 72550927 in words is "seventy-two million, five hundred fifty thousand, nine hundred twenty-seven".