72900067 has 2 divisors, whose sum is σ = 72900068. Its totient is φ = 72900066.

The previous prime is 72900053. The next prime is 72900071. The reversal of 72900067 is 76000927.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72900067 - 2²³ = 64511459 is a prime.

It is not a weakly prime, because it can be changed into another prime (72900467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36450033 + 36450034.

It is an arithmetic number, because the mean of its divisors is an integer number (36450034).

Almost surely, 2^72900067 is an apocalyptic number.

72900067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72900067 is an equidigital number, since it uses as much as digits as its factorization.

72900067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 72900067 is about 8538.1536060204. The cubic root of 72900067 is about 417.7431230031.

The spelling of 72900067 in words is "seventy-two million, nine hundred thousand, sixty-seven".