71461685 has 8 divisors (see below), whose sum is σ = 87207840. Its totient is φ = 56200144.

The previous prime is 71461681. The next prime is 71461697. The reversal of 71461685 is 58616417.

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 71461685 - 2² = 71461681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71461681) 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, 120827 + ... + 121416.

It is an arithmetic number, because the mean of its divisors is an integer number (10900980).

Almost surely, 2^71461685 is an apocalyptic number.

It is an amenable number.

71461685 is a deficient number, since it is larger than the sum of its proper divisors (15746155).

71461685 is a wasteful number, since it uses less digits than its factorization.

71461685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242307.

The product of its digits is 40320, while the sum is 38.

The square root of 71461685 is about 8453.5013455964. The cubic root of 71461685 is about 414.9773733248.

The spelling of 71461685 in words is "seventy-one million, four hundred sixty-one thousand, six hundred eighty-five".