61332347 has 4 divisors (see below), whose sum is σ = 62990016. Its totient is φ = 59674680.

The previous prime is 61332343. The next prime is 61332371. The reversal of 61332347 is 74323316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61332347 - 2² = 61332343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61332343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828779 + ... + 828852.

It is an arithmetic number, because the mean of its divisors is an integer number (15747504).

Almost surely, 2^61332347 is an apocalyptic number.

61332347 is a deficient number, since it is larger than the sum of its proper divisors (1657669).

61332347 is a wasteful number, since it uses less digits than its factorization.

61332347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657668.

The product of its digits is 9072, while the sum is 29.

The square root of 61332347 is about 7831.4971110255. The cubic root of 61332347 is about 394.3633326365.

The spelling of 61332347 in words is "sixty-one million, three hundred thirty-two thousand, three hundred forty-seven".