73029939 has 12 divisors (see below), whose sum is σ = 102769416. Its totient is φ = 46123488.

The previous prime is 73029937. The next prime is 73029949. The reversal of 73029939 is 93992037.

It is not a de Polignac number, because 73029939 - 2¹ = 73029937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73029939.

It is not an unprimeable number, because it can be changed into a prime (73029937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32634 + ... + 34799.

It is an arithmetic number, because the mean of its divisors is an integer number (8564118).

Almost surely, 2^73029939 is an apocalyptic number.

73029939 is a deficient number, since it is larger than the sum of its proper divisors (29739477).

73029939 is a wasteful number, since it uses less digits than its factorization.

73029939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67474 (or 67455 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 73029939 is about 8545.7556131684. The cubic root of 73029939 is about 417.9910466402.

The spelling of 73029939 in words is "seventy-three million, twenty-nine thousand, nine hundred thirty-nine".