73000037 has 8 divisors (see below), whose sum is σ = 79758432. Its totient is φ = 66262000.

The previous prime is 73000019. The next prime is 73000043.

73000037 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73000037 - 2⁶ = 72999973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72999982 and 73000018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73000237) 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 7 ways as a sum of consecutive naturals, for example, 2978 + ... + 12444.

It is an arithmetic number, because the mean of its divisors is an integer number (9969804).

Almost surely, 2^73000037 is an apocalyptic number.

It is an amenable number.

73000037 is a deficient number, since it is larger than the sum of its proper divisors (6758395).

73000037 is a wasteful number, since it uses less digits than its factorization.

73000037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179.

The product of its (nonzero) digits is 441, while the sum is 20.

The square root of 73000037 is about 8544.0059105785. The cubic root of 73000037 is about 417.9339902480.

It can be divided in two parts, 730000 and 37, that added together give a palindrome (730037).

The spelling of 73000037 in words is "seventy-three million, thirty-seven", and thus it is an aban number and an uban number.