71376551 has 2 divisors, whose sum is σ = 71376552. Its totient is φ = 71376550.

The previous prime is 71376499. The next prime is 71376583. The reversal of 71376551 is 15567317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71376551 - 2¹⁴ = 71360167 is a prime.

It is a super-2 number, since 2×71376551² = 10189224065311202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71373551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35688275 + 35688276.

It is an arithmetic number, because the mean of its divisors is an integer number (35688276).

Almost surely, 2^71376551 is an apocalyptic number.

71376551 is a deficient number, since it is larger than the sum of its proper divisors (1).

71376551 is an equidigital number, since it uses as much as digits as its factorization.

71376551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22050, while the sum is 35.

The square root of 71376551 is about 8448.4644166854. The cubic root of 71376551 is about 414.8125170465.

The spelling of 71376551 in words is "seventy-one million, three hundred seventy-six thousand, five hundred fifty-one".