61594038 has 48 divisors (see below), whose sum is σ = 147790656. Its totient is φ = 18382320.

The previous prime is 61594037. The next prime is 61594061. The reversal of 61594038 is 83049516.

61594038 is a `hidden beast` number, since 61 + 594 + 0 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61593993 and 61594011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61594033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10945 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (3078972).

Almost surely, 2^61594038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61594038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73895328).

61594038 is an abundant number, since it is smaller than the sum of its proper divisors (86196618).

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

61594038 is a wasteful number, since it uses less digits than its factorization.

61594038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729 (or 4726 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 61594038 is about 7848.1869243794. The cubic root of 61594038 is about 394.9234226385.

The spelling of 61594038 in words is "sixty-one million, five hundred ninety-four thousand, thirty-eight".