47320744 has 8 divisors (see below), whose sum is σ = 88726410. Its totient is φ = 23660368.

The previous prime is 47320739. The next prime is 47320751. The reversal of 47320744 is 44702374.

It can be written as a sum of positive squares in only one way, i.e., 46758244 + 562500 = 6838^2 + 750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2957539 + ... + 2957554.

Almost surely, 2^47320744 is an apocalyptic number.

It is an amenable number.

47320744 is a deficient number, since it is larger than the sum of its proper divisors (41405666).

47320744 is a wasteful number, since it uses less digits than its factorization.

47320744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915099 (or 5915095 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 47320744 is about 6879.0074865492. The cubic root of 47320744 is about 361.7016762200.

The spelling of 47320744 in words is "forty-seven million, three hundred twenty thousand, seven hundred forty-four".