47322649 has 8 divisors (see below), whose sum is σ = 51943392. Its totient is φ = 42755040.

The previous prime is 47322637. The next prime is 47322697. The reversal of 47322649 is 94622374.

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

It is a cyclic number.

It is not a de Polignac number, because 47322649 - 2⁵ = 47322617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47322449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11404 + ... + 14989.

It is an arithmetic number, because the mean of its divisors is an integer number (6492924).

Almost surely, 2^47322649 is an apocalyptic number.

It is an amenable number.

47322649 is a deficient number, since it is larger than the sum of its proper divisors (4620743).

47322649 is a wasteful number, since it uses less digits than its factorization.

47322649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26567.

The product of its digits is 72576, while the sum is 37.

The square root of 47322649 is about 6879.1459498981. The cubic root of 47322649 is about 361.7065298521.

It can be divided in two parts, 4732 and 2649, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 47322649 in words is "forty-seven million, three hundred twenty-two thousand, six hundred forty-nine".