71878741 has 8 divisors (see below), whose sum is σ = 78492384. Its totient is φ = 65278320.

The previous prime is 71878727. The next prime is 71878769. The reversal of 71878741 is 14787817.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71878741 - 2⁷ = 71878613 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 (71878721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10650 + ... + 16036.

It is an arithmetic number, because the mean of its divisors is an integer number (9811548).

Almost surely, 2^71878741 is an apocalyptic number.

It is an amenable number.

71878741 is a deficient number, since it is larger than the sum of its proper divisors (6613643).

71878741 is a wasteful number, since it uses less digits than its factorization.

71878741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611.

The product of its digits is 87808, while the sum is 43.

The square root of 71878741 is about 8478.1331081789. The cubic root of 71878741 is about 415.7830881157.

The spelling of 71878741 in words is "seventy-one million, eight hundred seventy-eight thousand, seven hundred forty-one".