71738833 has 2 divisors, whose sum is σ = 71738834. Its totient is φ = 71738832.

The previous prime is 71738801. The next prime is 71738857. The reversal of 71738833 is 33883717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43191184 + 28547649 = 6572^2 + 5343^2 .

It is a cyclic number.

It is not a de Polignac number, because 71738833 - 2⁵ = 71738801 is a prime.

It is not a weakly prime, because it can be changed into another prime (71738333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35869416 + 35869417.

It is an arithmetic number, because the mean of its divisors is an integer number (35869417).

Almost surely, 2^71738833 is an apocalyptic number.

It is an amenable number.

71738833 is a deficient number, since it is larger than the sum of its proper divisors (1).

71738833 is an equidigital number, since it uses as much as digits as its factorization.

71738833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 71738833 is about 8469.8779802309. The cubic root of 71738833 is about 415.5131466244.

The spelling of 71738833 in words is "seventy-one million, seven hundred thirty-eight thousand, eight hundred thirty-three".