71372023 has 2 divisors, whose sum is σ = 71372024. Its totient is φ = 71372022.

The previous prime is 71372009. The next prime is 71372029. The reversal of 71372023 is 32027317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71372023 - 2⁹ = 71371511 is a prime.

It is a super-2 number, since 2×71372023² = 10187931334225058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71372029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35686011 + 35686012.

It is an arithmetic number, because the mean of its divisors is an integer number (35686012).

Almost surely, 2^71372023 is an apocalyptic number.

71372023 is a deficient number, since it is larger than the sum of its proper divisors (1).

71372023 is an equidigital number, since it uses as much as digits as its factorization.

71372023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 71372023 is about 8448.1964347427. The cubic root of 71372023 is about 414.8037452077.

The spelling of 71372023 in words is "seventy-one million, three hundred seventy-two thousand, twenty-three".