61382447 has 24 divisors (see below), whose sum is σ = 73488960. Its totient is φ = 51105600.

The previous prime is 61382441. The next prime is 61382467. The reversal of 61382447 is 74428316.

It is not a de Polignac number, because 61382447 - 2¹² = 61378351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61382441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390893 + ... + 391049.

It is an arithmetic number, because the mean of its divisors is an integer number (3062040).

Almost surely, 2^61382447 is an apocalyptic number.

61382447 is a deficient number, since it is larger than the sum of its proper divisors (12106513).

61382447 is a wasteful number, since it uses less digits than its factorization.

61382447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 344 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 61382447 is about 7834.6950802185. The cubic root of 61382447 is about 394.4706834154.

The spelling of 61382447 in words is "sixty-one million, three hundred eighty-two thousand, four hundred forty-seven".