47720516 has 6 divisors (see below), whose sum is σ = 83510910. Its totient is φ = 23860256.

The previous prime is 47720467. The next prime is 47720537. The reversal of 47720516 is 61502774.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 5522500 = 6496^2 + 2350^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5965061 + ... + 5965068.

It is an arithmetic number, because the mean of its divisors is an integer number (13918485).

Almost surely, 2^47720516 is an apocalyptic number.

It is an amenable number.

47720516 is a deficient number, since it is larger than the sum of its proper divisors (35790394).

47720516 is a wasteful number, since it uses less digits than its factorization.

47720516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930133 (or 11930131 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 47720516 is about 6908.0037637511. The cubic root of 47720516 is about 362.7173893847.

The spelling of 47720516 in words is "forty-seven million, seven hundred twenty thousand, five hundred sixteen".