71456867 has 4 divisors (see below), whose sum is σ = 71475600. Its totient is φ = 71438136.

The previous prime is 71456857. The next prime is 71456881. The reversal of 71456867 is 76865417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76865417 = 2437 ⋅31541.

It is a cyclic number.

It is not a de Polignac number, because 71456867 - 2¹⁴ = 71440483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71456807) 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, 1367 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (17868900).

Almost surely, 2^71456867 is an apocalyptic number.

71456867 is a deficient number, since it is larger than the sum of its proper divisors (18733).

71456867 is a wasteful number, since it uses less digits than its factorization.

71456867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732.

The product of its digits is 282240, while the sum is 44.

The square root of 71456867 is about 8453.2163701162. The cubic root of 71456867 is about 414.9680470874.

The spelling of 71456867 in words is "seventy-one million, four hundred fifty-six thousand, eight hundred sixty-seven".