71623633 has 8 divisors (see below), whose sum is σ = 74887488. Its totient is φ = 68372304.

The previous prime is 71623631. The next prime is 71623639. The reversal of 71623633 is 33632617.

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 71623633 - 2¹ = 71623631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71623595 and 71623604.

It is not an unprimeable number, because it can be changed into a prime (71623631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9735 + ... + 15427.

It is an arithmetic number, because the mean of its divisors is an integer number (9360936).

Almost surely, 2^71623633 is an apocalyptic number.

It is an amenable number.

71623633 is a deficient number, since it is larger than the sum of its proper divisors (3263855).

71623633 is a wasteful number, since it uses less digits than its factorization.

71623633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263.

The product of its digits is 13608, while the sum is 31.

The square root of 71623633 is about 8463.0746776807. The cubic root of 71623633 is about 415.2906136882.

The spelling of 71623633 in words is "seventy-one million, six hundred twenty-three thousand, six hundred thirty-three".