73308939 has 12 divisors (see below), whose sum is σ = 107439528. Its totient is φ = 44429440.

The previous prime is 73308929. The next prime is 73308941. The reversal of 73308939 is 93980337.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-73308939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73308939.

It is not an unprimeable number, because it can be changed into a prime (73308929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100614 + ... + 101339.

It is an arithmetic number, because the mean of its divisors is an integer number (8953294).

Almost surely, 2^73308939 is an apocalyptic number.

73308939 is a deficient number, since it is larger than the sum of its proper divisors (34130589).

73308939 is a wasteful number, since it uses less digits than its factorization.

73308939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201978 (or 201967 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 73308939 is about 8562.0639451011. The cubic root of 73308939 is about 418.5226610660.

It can be divided in two parts, 73308 and 939, that added together give a palindrome (74247).

The spelling of 73308939 in words is "seventy-three million, three hundred eight thousand, nine hundred thirty-nine".