61004424 has 32 divisors (see below), whose sum is σ = 164243520. Its totient is φ = 18770496.

The previous prime is 61004369. The next prime is 61004467. The reversal of 61004424 is 42440016.

It is a self number, because there is not a number n which added to its sum of digits gives 61004424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97452 + ... + 98075.

It is an arithmetic number, because the mean of its divisors is an integer number (5132610).

Almost surely, 2^61004424 is an apocalyptic number.

It is an amenable number.

61004424 is an abundant number, since it is smaller than the sum of its proper divisors (103239096).

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

61004424 is a wasteful number, since it uses less digits than its factorization.

61004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195549 (or 195545 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 61004424 is about 7810.5328883502. The cubic root of 61004424 is about 393.6592345083.

The spelling of 61004424 in words is "sixty-one million, four thousand, four hundred twenty-four".