73039965 has 16 divisors (see below), whose sum is σ = 117456000. Its totient is φ = 38757312.

The previous prime is 73039963. The next prime is 73039969. The reversal of 73039965 is 56993037.

It is not a de Polignac number, because 73039965 - 2¹ = 73039963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73039963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9250 + ... + 15219.

It is an arithmetic number, because the mean of its divisors is an integer number (7341000).

Almost surely, 2^73039965 is an apocalyptic number.

It is an amenable number.

73039965 is a deficient number, since it is larger than the sum of its proper divisors (44416035).

73039965 is a wasteful number, since it uses less digits than its factorization.

73039965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24676.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 73039965 is about 8546.3422000292. The cubic root of 73039965 is about 418.0101738937.

The spelling of 73039965 in words is "seventy-three million, thirty-nine thousand, nine hundred sixty-five".