71376641 has 8 divisors (see below), whose sum is σ = 82791360. Its totient is φ = 60266448.

The previous prime is 71376629. The next prime is 71376647. The reversal of 71376641 is 14667317.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71376641 is a prime.

It is a super-3 number, since 3×71376641³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71376647) 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, 75626 + ... + 76563.

It is an arithmetic number, because the mean of its divisors is an integer number (10348920).

Almost surely, 2^71376641 is an apocalyptic number.

It is an amenable number.

71376641 is a deficient number, since it is larger than the sum of its proper divisors (11414719).

71376641 is a wasteful number, since it uses less digits than its factorization.

71376641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152263.

The product of its digits is 21168, while the sum is 35.

The square root of 71376641 is about 8448.4697430955. The cubic root of 71376641 is about 414.8126913947.

The spelling of 71376641 in words is "seventy-one million, three hundred seventy-six thousand, six hundred forty-one".