61340679 has 8 divisors (see below), whose sum is σ = 90875120. Its totient is φ = 40893768.

The previous prime is 61340651. The next prime is 61340689. The reversal of 61340679 is 97604316.

It is not a de Polignac number, because 61340679 - 2⁵ = 61340647 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 (61340689) 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, 1135912 + ... + 1135965.

It is an arithmetic number, because the mean of its divisors is an integer number (11359390).

Almost surely, 2^61340679 is an apocalyptic number.

61340679 is a deficient number, since it is larger than the sum of its proper divisors (29534441).

61340679 is a wasteful number, since it uses less digits than its factorization.

61340679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271886 (or 2271880 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 61340679 is about 7832.0290474436. The cubic root of 61340679 is about 394.3811899156.

The spelling of 61340679 in words is "sixty-one million, three hundred forty thousand, six hundred seventy-nine".