71878059 has 24 divisors (see below), whose sum is σ = 118190592. Its totient is φ = 41667120.

The previous prime is 71878033. The next prime is 71878061. The reversal of 71878059 is 95087817.

It is not a de Polignac number, because 71878059 - 2⁸ = 71877803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71878019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13507 + ... + 18060.

It is an arithmetic number, because the mean of its divisors is an integer number (4924608).

Almost surely, 2^71878059 is an apocalyptic number.

71878059 is a deficient number, since it is larger than the sum of its proper divisors (46312533).

71878059 is a wasteful number, since it uses less digits than its factorization.

71878059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31607 (or 31604 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 71878059 is about 8478.0928869646. The cubic root of 71878059 is about 415.7817731003.

The spelling of 71878059 in words is "seventy-one million, eight hundred seventy-eight thousand, fifty-nine".