61364623 has 8 divisors (see below), whose sum is σ = 64681200. Its totient is φ = 58056768.

The previous prime is 61364617. The next prime is 61364647. The reversal of 61364623 is 32646316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61364623 - 2⁵ = 61364591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61364663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16413 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (8085150).

Almost surely, 2^61364623 is an apocalyptic number.

61364623 is a deficient number, since it is larger than the sum of its proper divisors (3316577).

61364623 is a wasteful number, since it uses less digits than its factorization.

61364623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361.

The product of its digits is 15552, while the sum is 31.

The square root of 61364623 is about 7833.5574932466. The cubic root of 61364623 is about 394.4324980901.

The spelling of 61364623 in words is "sixty-one million, three hundred sixty-four thousand, six hundred twenty-three".