61079713 has 4 divisors (see below), whose sum is σ = 63185940. Its totient is φ = 58973488.

The previous prime is 61079701. The next prime is 61079723. The reversal of 61079713 is 31797016.

It is a happy number.

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 38725729 + 22353984 = 6223^2 + 4728^2 .

It is a cyclic number.

It is not a de Polignac number, because 61079713 - 2⁹ = 61079201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61079723) 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, 1053070 + ... + 1053127.

It is an arithmetic number, because the mean of its divisors is an integer number (15796485).

Almost surely, 2^61079713 is an apocalyptic number.

It is an amenable number.

61079713 is a deficient number, since it is larger than the sum of its proper divisors (2106227).

61079713 is a wasteful number, since it uses less digits than its factorization.

61079713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106226.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 61079713 is about 7815.3511117544. The cubic root of 61079713 is about 393.8211136191.

The spelling of 61079713 in words is "sixty-one million, seventy-nine thousand, seven hundred thirteen".