73038631 has 2 divisors, whose sum is σ = 73038632. Its totient is φ = 73038630.

The previous prime is 73038601. The next prime is 73038653. The reversal of 73038631 is 13683037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73038631 - 2⁵ = 73038599 is a prime.

It is a super-2 number, since 2×73038631² = 10669283236708322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73038593 and 73038602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73038601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36519315 + 36519316.

It is an arithmetic number, because the mean of its divisors is an integer number (36519316).

Almost surely, 2^73038631 is an apocalyptic number.

73038631 is a deficient number, since it is larger than the sum of its proper divisors (1).

73038631 is an equidigital number, since it uses as much as digits as its factorization.

73038631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 73038631 is about 8546.2641545882. The cubic root of 73038631 is about 418.0076290359.

The spelling of 73038631 in words is "seventy-three million, thirty-eight thousand, six hundred thirty-one".