61682319 has 6 divisors (see below), whose sum is σ = 89096696. Its totient is φ = 41121540.

The previous prime is 61682279. The next prime is 61682321. The reversal of 61682319 is 91328616.

61682319 is a `hidden beast` number, since 616 + 8 + 2 + 31 + 9 = 666.

It is not a de Polignac number, because 61682319 - 2⁷ = 61682191 is a prime.

It is a super-2 number, since 2×61682319² = 7609416954435522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61682329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3426787 + ... + 3426804.

Almost surely, 2^61682319 is an apocalyptic number.

61682319 is a deficient number, since it is larger than the sum of its proper divisors (27414377).

61682319 is a wasteful number, since it uses less digits than its factorization.

61682319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853597 (or 6853594 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 61682319 is about 7853.8092031829. The cubic root of 61682319 is about 395.1120101079.

It can be divided in two parts, 61682 and 319, that added together give a square (62001 = 249²).

The spelling of 61682319 in words is "sixty-one million, six hundred eighty-two thousand, three hundred nineteen".