71272633 has 8 divisors (see below), whose sum is σ = 75300480. Its totient is φ = 67349520.

The previous prime is 71272631. The next prime is 71272639. The reversal of 71272633 is 33627217.

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 71272633 - 2¹ = 71272631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71272595 and 71272604.

It is not an unprimeable number, because it can be changed into a prime (71272631) 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, 24783 + ... + 27508.

It is an arithmetic number, because the mean of its divisors is an integer number (9412560).

Almost surely, 2^71272633 is an apocalyptic number.

It is an amenable number.

71272633 is a deficient number, since it is larger than the sum of its proper divisors (4027847).

71272633 is a wasteful number, since it uses less digits than its factorization.

71272633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52367.

The product of its digits is 10584, while the sum is 31.

The square root of 71272633 is about 8442.3120648315. The cubic root of 71272633 is about 414.6111090527.

The spelling of 71272633 in words is "seventy-one million, two hundred seventy-two thousand, six hundred thirty-three".