47073736 has 8 divisors (see below), whose sum is σ = 88263270. Its totient is φ = 23536864.

The previous prime is 47073727. The next prime is 47073737. The reversal of 47073736 is 63737074.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 7257636 = 6310^2 + 2694^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47073695 and 47073704.

It is not an unprimeable number, because it can be changed into a prime (47073737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2942101 + ... + 2942116.

Almost surely, 2^47073736 is an apocalyptic number.

It is an amenable number.

47073736 is a deficient number, since it is larger than the sum of its proper divisors (41189534).

47073736 is a wasteful number, since it uses less digits than its factorization.

47073736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884223 (or 5884219 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 47073736 is about 6861.0302433381. The cubic root of 47073736 is about 361.0712330945.

The spelling of 47073736 in words is "forty-seven million, seventy-three thousand, seven hundred thirty-six".