72875623 has 2 divisors, whose sum is σ = 72875624. Its totient is φ = 72875622.

The previous prime is 72875611. The next prime is 72875629. The reversal of 72875623 is 32657827.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72875623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72875629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36437811 + 36437812.

It is an arithmetic number, because the mean of its divisors is an integer number (36437812).

Almost surely, 2^72875623 is an apocalyptic number.

72875623 is a deficient number, since it is larger than the sum of its proper divisors (1).

72875623 is an equidigital number, since it uses as much as digits as its factorization.

72875623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 72875623 is about 8536.7220289758. The cubic root of 72875623 is about 417.6964268666.

The spelling of 72875623 in words is "seventy-two million, eight hundred seventy-five thousand, six hundred twenty-three".