61424624 has 10 divisors (see below), whose sum is σ = 119010240. Its totient is φ = 30712304.

The previous prime is 61424617. The next prime is 61424647. The reversal of 61424624 is 42642416.

It is a happy number.

61424624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1919504 + ... + 1919535.

It is an arithmetic number, because the mean of its divisors is an integer number (11901024).

Almost surely, 2^61424624 is an apocalyptic number.

It is an amenable number.

61424624 is a deficient number, since it is larger than the sum of its proper divisors (57585616).

61424624 is a wasteful number, since it uses less digits than its factorization.

61424624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839047 (or 3839041 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 61424624 is about 7837.3862990158. The cubic root of 61424624 is about 394.5610120659.

The spelling of 61424624 in words is "sixty-one million, four hundred twenty-four thousand, six hundred twenty-four".