61832538 has 64 divisors (see below), whose sum is σ = 145305600. Its totient is φ = 19459440.

The previous prime is 61832509. The next prime is 61832549. The reversal of 61832538 is 83523816.

61832538 is a `hidden beast` number, since 618 + 3 + 2 + 5 + 38 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71553 + ... + 72411.

It is an arithmetic number, because the mean of its divisors is an integer number (2270400).

Almost surely, 2^61832538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61832538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72652800).

61832538 is an abundant number, since it is smaller than the sum of its proper divisors (83473062).

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

61832538 is a wasteful number, since it uses less digits than its factorization.

61832538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 938 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 61832538 is about 7863.3668361587. The cubic root of 61832538 is about 395.4324974844.

The spelling of 61832538 in words is "sixty-one million, eight hundred thirty-two thousand, five hundred thirty-eight".