61447330 has 64 divisors (see below), whose sum is σ = 136028160. Its totient is φ = 19514304.

The previous prime is 61447327. The next prime is 61447339. The reversal of 61447330 is 3374416.

61447330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61447339) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 62019 + ... + 63001.

It is an arithmetic number, because the mean of its divisors is an integer number (2125440).

Almost surely, 2^61447330 is an apocalyptic number.

61447330 is an abundant number, since it is smaller than the sum of its proper divisors (74580830).

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

61447330 is a wasteful number, since it uses less digits than its factorization.

61447330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 61447330 is about 7838.8347348314. The cubic root of 61447330 is about 394.6096233995.

The spelling of 61447330 in words is "sixty-one million, four hundred forty-seven thousand, three hundred thirty".