61714687 has 4 divisors (see below), whose sum is σ = 61731136. Its totient is φ = 61698240.

The previous prime is 61714673. The next prime is 61714693. The reversal of 61714687 is 78641716.

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 61714687 - 2¹⁹ = 61190399 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 (61714657) 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, 463 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (15432784).

Almost surely, 2^61714687 is an apocalyptic number.

61714687 is a deficient number, since it is larger than the sum of its proper divisors (16449).

61714687 is a wasteful number, since it uses less digits than its factorization.

61714687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16448.

The product of its digits is 56448, while the sum is 40.

The square root of 61714687 is about 7855.8695890398. The cubic root of 61714687 is about 395.1811101320.

The spelling of 61714687 in words is "sixty-one million, seven hundred fourteen thousand, six hundred eighty-seven".