61836873 has 24 divisors (see below), whose sum is σ = 96285312. Its totient is φ = 35197344.

The previous prime is 61836869. The next prime is 61836889. The reversal of 61836873 is 37863816.

It is not a de Polignac number, because 61836873 - 2² = 61836869 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61836893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45936 + ... + 47262.

It is an arithmetic number, because the mean of its divisors is an integer number (4011888).

Almost surely, 2^61836873 is an apocalyptic number.

It is an amenable number.

61836873 is a deficient number, since it is larger than the sum of its proper divisors (34448439).

61836873 is a wasteful number, since it uses less digits than its factorization.

61836873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1654 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 61836873 is about 7863.6424766135. The cubic root of 61836873 is about 395.4417383570.

The spelling of 61836873 in words is "sixty-one million, eight hundred thirty-six thousand, eight hundred seventy-three".