61764423 has 16 divisors (see below), whose sum is σ = 94473216. Its totient is φ = 35160480.

The previous prime is 61764413. The next prime is 61764457. The reversal of 61764423 is 32446716.

It is a happy number.

It is not a de Polignac number, because 61764423 - 2⁸ = 61764167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61764413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (5904576).

Almost surely, 2^61764423 is an apocalyptic number.

61764423 is a deficient number, since it is larger than the sum of its proper divisors (32708793).

61764423 is a wasteful number, since it uses less digits than its factorization.

61764423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134.

The product of its digits is 24192, while the sum is 33.

The square root of 61764423 is about 7859.0344826830. The cubic root of 61764423 is about 395.2872407311.

The spelling of 61764423 in words is "sixty-one million, seven hundred sixty-four thousand, four hundred twenty-three".