71376769 has 2 divisors, whose sum is σ = 71376770. Its totient is φ = 71376768.

The previous prime is 71376733. The next prime is 71376803. The reversal of 71376769 is 96767317.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52998400 + 18378369 = 7280^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 71376769 - 2¹⁵ = 71344001 is a prime.

It is a super-2 number, since 2×71376769² = 10189286305758722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71376719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35688384 + 35688385.

It is an arithmetic number, because the mean of its divisors is an integer number (35688385).

Almost surely, 2^71376769 is an apocalyptic number.

It is an amenable number.

71376769 is a deficient number, since it is larger than the sum of its proper divisors (1).

71376769 is an equidigital number, since it uses as much as digits as its factorization.

71376769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 46.

The square root of 71376769 is about 8448.4773184285. The cubic root of 71376769 is about 414.8129393563.

The spelling of 71376769 in words is "seventy-one million, three hundred seventy-six thousand, seven hundred sixty-nine".