61590036 has 24 divisors (see below), whose sum is σ = 147216384. Its totient is φ = 20029120.

The previous prime is 61590029. The next prime is 61590037. The reversal of 61590036 is 63009516.

It is a happy number.

61590036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61589985 and 61590012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61590037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62100 + ... + 63083.

It is an arithmetic number, because the mean of its divisors is an integer number (6134016).

Almost surely, 2^61590036 is an apocalyptic number.

It is an amenable number.

61590036 is an abundant number, since it is smaller than the sum of its proper divisors (85626348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61590036 is a wasteful number, since it uses less digits than its factorization.

61590036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125231 (or 125229 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 61590036 is about 7847.9319568916. The cubic root of 61590036 is about 394.9148692253.

The spelling of 61590036 in words is "sixty-one million, five hundred ninety thousand, thirty-six".