61764113 has 4 divisors (see below), whose sum is σ = 63893940. Its totient is φ = 59634288.

The previous prime is 61764097. The next prime is 61764127. The reversal of 61764113 is 31146716.

61764113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43930384 + 17833729 = 6628^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 61764113 - 2⁴ = 61764097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 2129797 = 61764113 / (6 + 1 + 7 + 6 + 4 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61764013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064870 + ... + 1064927.

It is an arithmetic number, because the mean of its divisors is an integer number (15973485).

Almost surely, 2^61764113 is an apocalyptic number.

It is an amenable number.

61764113 is a deficient number, since it is larger than the sum of its proper divisors (2129827).

61764113 is a wasteful number, since it uses less digits than its factorization.

61764113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129826.

The product of its digits is 3024, while the sum is 29.

The square root of 61764113 is about 7859.0147601337. The cubic root of 61764113 is about 395.2865794052.

The spelling of 61764113 in words is "sixty-one million, seven hundred sixty-four thousand, one hundred thirteen".