71450641 has 8 divisors (see below), whose sum is σ = 72296064. Its totient is φ = 70608720.

The previous prime is 71450611. The next prime is 71450683. The reversal of 71450641 is 14605417.

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 71450641 - 2⁷ = 71450513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71450611) 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, 77976 + ... + 78886.

It is an arithmetic number, because the mean of its divisors is an integer number (9037008).

Almost surely, 2^71450641 is an apocalyptic number.

It is an amenable number.

71450641 is a deficient number, since it is larger than the sum of its proper divisors (845423).

71450641 is a wasteful number, since it uses less digits than its factorization.

71450641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 71450641 is about 8452.8480999010. The cubic root of 71450641 is about 414.9559947534.

The spelling of 71450641 in words is "seventy-one million, four hundred fifty thousand, six hundred forty-one".