61532832 has 24 divisors (see below), whose sum is σ = 161523936. Its totient is φ = 20510912.

The previous prime is 61532831. The next prime is 61532837. The reversal of 61532832 is 23823516.

61532832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×61532832³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61532832.

It is not an unprimeable number, because it can be changed into a prime (61532831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320388 + ... + 320579.

It is an arithmetic number, because the mean of its divisors is an integer number (6730164).

Almost surely, 2^61532832 is an apocalyptic number.

It is an amenable number.

61532832 is an abundant number, since it is smaller than the sum of its proper divisors (99991104).

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

61532832 is a wasteful number, since it uses less digits than its factorization.

61532832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640980 (or 640972 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 61532832 is about 7844.2865832401. The cubic root of 61532832 is about 394.7925674741.

The spelling of 61532832 in words is "sixty-one million, five hundred thirty-two thousand, eight hundred thirty-two".