71223995 has 4 divisors (see below), whose sum is σ = 85468800. Its totient is φ = 56979192.

The previous prime is 71223967. The next prime is 71224009. The reversal of 71223995 is 59932217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59932217 = 173 ⋅346429.

It is a cyclic number.

It is not a de Polignac number, because 71223995 - 2¹⁶ = 71158459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7122395 + ... + 7122404.

It is an arithmetic number, because the mean of its divisors is an integer number (21367200).

Almost surely, 2^71223995 is an apocalyptic number.

71223995 is a deficient number, since it is larger than the sum of its proper divisors (14244805).

71223995 is a wasteful number, since it uses less digits than its factorization.

71223995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14244804.

The product of its digits is 34020, while the sum is 38.

The square root of 71223995 is about 8439.4309642298. The cubic root of 71223995 is about 414.5167743680.

The spelling of 71223995 in words is "seventy-one million, two hundred twenty-three thousand, nine hundred ninety-five".