61669448 has 16 divisors (see below), whose sum is σ = 115717680. Its totient is φ = 30811408.

The previous prime is 61669441. The next prime is 61669477. The reversal of 61669448 is 84496616.

It is a junction number, because it is equal to n+sod(n) for n = 61669399 and 61669408.

It is not an unprimeable number, because it can be changed into a prime (61669441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14315 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (7232355).

Almost surely, 2^61669448 is an apocalyptic number.

It is an amenable number.

61669448 is a deficient number, since it is larger than the sum of its proper divisors (54048232).

61669448 is a wasteful number, since it uses less digits than its factorization.

61669448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836 (or 5832 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 61669448 is about 7852.9897491338. The cubic root of 61669448 is about 395.0845260545.

The spelling of 61669448 in words is "sixty-one million, six hundred sixty-nine thousand, four hundred forty-eight".