61594480 has 80 divisors (see below), whose sum is σ = 148651200. Its totient is φ = 23721984.

The previous prime is 61594471. The next prime is 61594499. The reversal of 61594480 is 8449516.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309421 + ... + 309619.

It is an arithmetic number, because the mean of its divisors is an integer number (1858140).

Almost surely, 2^61594480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61594480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74325600).

61594480 is an abundant number, since it is smaller than the sum of its proper divisors (87056720).

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

61594480 is a wasteful number, since it uses less digits than its factorization.

61594480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 61594480 is about 7848.2150836990. The cubic root of 61594480 is about 394.9243672956.

The spelling of 61594480 in words is "sixty-one million, five hundred ninety-four thousand, four hundred eighty".