61623086 has 24 divisors (see below), whose sum is σ = 111238920. Its totient is φ = 25498032.

The previous prime is 61623083. The next prime is 61623097. The reversal of 61623086 is 68032616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61623083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8000 + ... + 13683.

It is an arithmetic number, because the mean of its divisors is an integer number (4634955).

Almost surely, 2^61623086 is an apocalyptic number.

61623086 is a deficient number, since it is larger than the sum of its proper divisors (49615834).

61623086 is a wasteful number, since it uses less digits than its factorization.

61623086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21728 (or 21721 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 61623086 is about 7850.0373247520. The cubic root of 61623086 is about 394.9854953815.

The spelling of 61623086 in words is "sixty-one million, six hundred twenty-three thousand, eighty-six".