61880713 has 4 divisors (see below), whose sum is σ = 62728468. Its totient is φ = 61032960.

The previous prime is 61880711. The next prime is 61880719. The reversal of 61880713 is 31708816.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42406144 + 19474569 = 6512^2 + 4413^2 .

It is a cyclic number.

It is not a de Polignac number, because 61880713 - 2¹ = 61880711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61880711) 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, 423768 + ... + 423913.

It is an arithmetic number, because the mean of its divisors is an integer number (15682117).

Almost surely, 2^61880713 is an apocalyptic number.

It is an amenable number.

61880713 is a deficient number, since it is larger than the sum of its proper divisors (847755).

61880713 is an equidigital number, since it uses as much as digits as its factorization.

61880713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847754.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 61880713 is about 7866.4294950123. The cubic root of 61880713 is about 395.5351673511.

The spelling of 61880713 in words is "sixty-one million, eight hundred eighty thousand, seven hundred thirteen".