71790733 has 12 divisors (see below), whose sum is σ = 84080700. Its totient is φ = 61115712.

The previous prime is 71790731. The next prime is 71790737. The reversal of 71790733 is 33709717.

It can be written as a sum of positive squares in 2 ways, for example, as 21409129 + 50381604 = 4627^2 + 7098^2 .

It is not a de Polignac number, because 71790733 - 2¹ = 71790731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71790692 and 71790701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71790731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2385 + ... + 12217.

It is an arithmetic number, because the mean of its divisors is an integer number (7006725).

Almost surely, 2^71790733 is an apocalyptic number.

It is an amenable number.

71790733 is a deficient number, since it is larger than the sum of its proper divisors (12289967).

71790733 is a wasteful number, since it uses less digits than its factorization.

71790733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996 (or 9989 counting only the distinct ones).

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 71790733 is about 8472.9412248640. The cubic root of 71790733 is about 415.6133245104.

The spelling of 71790733 in words is "seventy-one million, seven hundred ninety thousand, seven hundred thirty-three".