61575332 has 48 divisors (see below), whose sum is σ = 133687680. Its totient is φ = 24164352.

The previous prime is 61575329. The next prime is 61575337. The reversal of 61575332 is 23357516.

It is not an unprimeable number, because it can be changed into a prime (61575337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49988 + ... + 51204.

It is an arithmetic number, because the mean of its divisors is an integer number (2785160).

Almost surely, 2^61575332 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 61575332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66843840).

61575332 is an abundant number, since it is smaller than the sum of its proper divisors (72112348).

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

61575332 is a wasteful number, since it uses less digits than its factorization.

61575332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 61575332 is about 7846.9950936648. The cubic root of 61575332 is about 394.8834394098.

The spelling of 61575332 in words is "sixty-one million, five hundred seventy-five thousand, three hundred thirty-two".