61544632 has 8 divisors (see below), whose sum is σ = 115396200. Its totient is φ = 30772312.

The previous prime is 61544617. The next prime is 61544671. The reversal of 61544632 is 23644516.

61544632 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 (8).

It is a junction number, because it is equal to n+sod(n) for n = 61544594 and 61544603.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3846532 + ... + 3846547.

It is an arithmetic number, because the mean of its divisors is an integer number (14424525).

Almost surely, 2^61544632 is an apocalyptic number.

It is an amenable number.

61544632 is a deficient number, since it is larger than the sum of its proper divisors (53851568).

61544632 is a wasteful number, since it uses less digits than its factorization.

61544632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693085 (or 7693081 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 61544632 is about 7845.0386869664. The cubic root of 61544632 is about 394.8178019947.

The spelling of 61544632 in words is "sixty-one million, five hundred forty-four thousand, six hundred thirty-two".