61682671 has 4 divisors (see below), whose sum is σ = 62728200. Its totient is φ = 60637144.

The previous prime is 61682657. The next prime is 61682693. The reversal of 61682671 is 17628616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61682671 - 2⁵ = 61682639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61682671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61682641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522676 + ... + 522793.

It is an arithmetic number, because the mean of its divisors is an integer number (15682050).

Almost surely, 2^61682671 is an apocalyptic number.

61682671 is a deficient number, since it is larger than the sum of its proper divisors (1045529).

61682671 is a wasteful number, since it uses less digits than its factorization.

61682671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045528.

The product of its digits is 24192, while the sum is 37.

The square root of 61682671 is about 7853.8316126589. The cubic root of 61682671 is about 395.1127616964.

The spelling of 61682671 in words is "sixty-one million, six hundred eighty-two thousand, six hundred seventy-one".