47002738 has 8 divisors (see below), whose sum is σ = 70714332. Its totient is φ = 23431296.

The previous prime is 47002733. The next prime is 47002771. The reversal of 47002738 is 83720074.

47002738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46335249 + 667489 = 6807^2 + 817^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47002733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34195 + ... + 35542.

Almost surely, 2^47002738 is an apocalyptic number.

47002738 is a deficient number, since it is larger than the sum of its proper divisors (23711594).

47002738 is a wasteful number, since it uses less digits than its factorization.

47002738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70076.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 47002738 is about 6855.8542866663. The cubic root of 47002738 is about 360.8896156550.

The spelling of 47002738 in words is "forty-seven million, two thousand, seven hundred thirty-eight".