71633051 has 12 divisors (see below), whose sum is σ = 84903552. Its totient is φ = 60239088.

The previous prime is 71633039. The next prime is 71633077. The reversal of 71633051 is 15033617.

It is a happy number.

It is not a de Polignac number, because 71633051 - 2¹⁴ = 71616667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71633051.

It is not an unprimeable number, because it can be changed into a prime (71633351) 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, 11195 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (7075296).

Almost surely, 2^71633051 is an apocalyptic number.

71633051 is a deficient number, since it is larger than the sum of its proper divisors (13270501).

71633051 is a wasteful number, since it uses less digits than its factorization.

71633051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27650 (or 27643 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 71633051 is about 8463.6310765534. The cubic root of 71633051 is about 415.3088154810.

Adding to 71633051 its reverse (15033617), we get a palindrome (86666668).

The spelling of 71633051 in words is "seventy-one million, six hundred thirty-three thousand, fifty-one".