61885432 has 64 divisors (see below), whose sum is σ = 142560000. Its totient is φ = 25105248.

The previous prime is 61885379. The next prime is 61885459. The reversal of 61885432 is 23458816.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61885391 and 61885400.

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, 51543 + ... + 52729.

It is an arithmetic number, because the mean of its divisors is an integer number (2227500).

Almost surely, 2^61885432 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 61885432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71280000).

61885432 is an abundant number, since it is smaller than the sum of its proper divisors (80674568).

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

61885432 is a wasteful number, since it uses less digits than its factorization.

61885432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1215 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 61885432 is about 7866.7294347778. The cubic root of 61885432 is about 395.5452215501.

The spelling of 61885432 in words is "sixty-one million, eight hundred eighty-five thousand, four hundred thirty-two".