61768023 has 4 divisors (see below), whose sum is σ = 82357368. Its totient is φ = 41178680.

The previous prime is 61768013. The next prime is 61768033. The reversal of 61768023 is 32086716.

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

It is an interprime number because it is at equal distance from previous prime (61768013) and next prime (61768033).

It is a cyclic number.

It is not a de Polignac number, because 61768023 - 2⁵ = 61767991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61768013) 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, 10294668 + ... + 10294673.

It is an arithmetic number, because the mean of its divisors is an integer number (20589342).

Almost surely, 2^61768023 is an apocalyptic number.

61768023 is a deficient number, since it is larger than the sum of its proper divisors (20589345).

61768023 is a wasteful number, since it uses less digits than its factorization.

61768023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20589344.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 61768023 is about 7859.2635151139. The cubic root of 61768023 is about 395.2949204835.

The spelling of 61768023 in words is "sixty-one million, seven hundred sixty-eight thousand, twenty-three".