73068631 has 4 divisors (see below), whose sum is σ = 76245552. Its totient is φ = 69891712.

The previous prime is 73068629. The next prime is 73068641. The reversal of 73068631 is 13686037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13686037 = 17 ⋅805061.

It is a cyclic number.

It is not a de Polignac number, because 73068631 - 2¹ = 73068629 is a prime.

It is a super-2 number, since 2×73068631² = 10678049672428322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73068641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588426 + ... + 1588471.

It is an arithmetic number, because the mean of its divisors is an integer number (19061388).

Almost surely, 2^73068631 is an apocalyptic number.

73068631 is a deficient number, since it is larger than the sum of its proper divisors (3176921).

73068631 is a wasteful number, since it uses less digits than its factorization.

73068631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176920.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 73068631 is about 8548.0191272598. The cubic root of 73068631 is about 418.0648522348.

The spelling of 73068631 in words is "seventy-three million, sixty-eight thousand, six hundred thirty-one".