61624494 has 24 divisors (see below), whose sum is σ = 133929120. Its totient is φ = 20478528.

The previous prime is 61624481. The next prime is 61624501. The reversal of 61624494 is 49442616.

61624494 is a `hidden beast` number, since 6 + 162 + 4 + 494 = 666.

61624494 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 in 11 ways as a sum of consecutive naturals, for example, 987 + ... + 11145.

It is an arithmetic number, because the mean of its divisors is an integer number (5580380).

Almost surely, 2^61624494 is an apocalyptic number.

61624494 is an abundant number, since it is smaller than the sum of its proper divisors (72304626).

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

61624494 is a wasteful number, since it uses less digits than its factorization.

61624494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504 (or 10501 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 61624494 is about 7850.1270053420. The cubic root of 61624494 is about 394.9885036445.

The spelling of 61624494 in words is "sixty-one million, six hundred twenty-four thousand, four hundred ninety-four".