47297636 has 6 divisors (see below), whose sum is σ = 82770870. Its totient is φ = 23648816.

The previous prime is 47297629. The next prime is 47297659. The reversal of 47297636 is 63679274.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23716900 + 23580736 = 4870^2 + 4856^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5912201 + ... + 5912208.

It is an arithmetic number, because the mean of its divisors is an integer number (13795145).

Almost surely, 2^47297636 is an apocalyptic number.

It is an amenable number.

47297636 is a deficient number, since it is larger than the sum of its proper divisors (35473234).

47297636 is a wasteful number, since it uses less digits than its factorization.

47297636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824413 (or 11824411 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 47297636 is about 6877.3276786845. The cubic root of 47297636 is about 361.6427903945.

The spelling of 47297636 in words is "forty-seven million, two hundred ninety-seven thousand, six hundred thirty-six".