61845324 has 12 divisors (see below), whose sum is σ = 144305784. Its totient is φ = 20615104.

The previous prime is 61845293. The next prime is 61845349. The reversal of 61845324 is 42354816.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576877 + ... + 2576900.

It is an arithmetic number, because the mean of its divisors is an integer number (12025482).

Almost surely, 2^61845324 is an apocalyptic number.

It is an amenable number.

61845324 is an abundant number, since it is smaller than the sum of its proper divisors (82460460).

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

61845324 is a wasteful number, since it uses less digits than its factorization.

61845324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153784 (or 5153782 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 61845324 is about 7864.1798046586. The cubic root of 61845324 is about 395.4597520207.

The spelling of 61845324 in words is "sixty-one million, eight hundred forty-five thousand, three hundred twenty-four".