71862023 has 4 divisors (see below), whose sum is σ = 71887368. Its totient is φ = 71836680.

The previous prime is 71862019. The next prime is 71862041. The reversal of 71862023 is 32026817.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32026817 = 29 ⋅1104373.

It is a cyclic number.

It is not a de Polignac number, because 71862023 - 2² = 71862019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71862523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7793 + ... + 14298.

It is an arithmetic number, because the mean of its divisors is an integer number (17971842).

Almost surely, 2^71862023 is an apocalyptic number.

71862023 is a deficient number, since it is larger than the sum of its proper divisors (25345).

71862023 is a wasteful number, since it uses less digits than its factorization.

71862023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25344.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 71862023 is about 8477.1471026519. The cubic root of 71862023 is about 415.7508504863.

The spelling of 71862023 in words is "seventy-one million, eight hundred sixty-two thousand, twenty-three".