73030907 has 2 divisors, whose sum is σ = 73030908. Its totient is φ = 73030906.

The previous prime is 73030891. The next prime is 73030921. The reversal of 73030907 is 70903037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73030907 - 2⁴ = 73030891 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73030907.

It is not a weakly prime, because it can be changed into another prime (73030007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36515453 + 36515454.

It is an arithmetic number, because the mean of its divisors is an integer number (36515454).

Almost surely, 2^73030907 is an apocalyptic number.

73030907 is a deficient number, since it is larger than the sum of its proper divisors (1).

73030907 is an equidigital number, since it uses as much as digits as its factorization.

73030907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 29.

The square root of 73030907 is about 8545.8122492833. The cubic root of 73030907 is about 417.9928934332.

It can be divided in two parts, 73030 and 907, that added together give a palindrome (73937).

The spelling of 73030907 in words is "seventy-three million, thirty thousand, nine hundred seven".