61648347 has 8 divisors (see below), whose sum is σ = 82275856. Its totient is φ = 41059872.

The previous prime is 61648339. The next prime is 61648351. The reversal of 61648347 is 74384616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61648347 - 2³ = 61648339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61648337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5848 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (10284482).

Almost surely, 2^61648347 is an apocalyptic number.

61648347 is a deficient number, since it is larger than the sum of its proper divisors (20627509).

61648347 is a wasteful number, since it uses less digits than its factorization.

61648347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19517.

The product of its digits is 96768, while the sum is 39.

The square root of 61648347 is about 7851.6461331367. The cubic root of 61648347 is about 395.0394598191.

The spelling of 61648347 in words is "sixty-one million, six hundred forty-eight thousand, three hundred forty-seven".