61895623 has 16 divisors (see below), whose sum is σ = 68062464. Its totient is φ = 56033280.

The previous prime is 61895611. The next prime is 61895629. The reversal of 61895623 is 32659816.

It is a cyclic number.

It is not a de Polignac number, because 61895623 - 2⁵ = 61895591 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 (61895629) 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, 135211 + ... + 135667.

It is an arithmetic number, because the mean of its divisors is an integer number (4253904).

Almost surely, 2^61895623 is an apocalyptic number.

61895623 is a deficient number, since it is larger than the sum of its proper divisors (6166841).

61895623 is a wasteful number, since it uses less digits than its factorization.

61895623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its digits is 77760, while the sum is 40.

The square root of 61895623 is about 7867.3771359965. The cubic root of 61895623 is about 395.5669325300.

The spelling of 61895623 in words is "sixty-one million, eight hundred ninety-five thousand, six hundred twenty-three".