47811002 has 12 divisors (see below), whose sum is σ = 73513518. Its totient is φ = 23320800.

The previous prime is 47810957. The next prime is 47811013. The reversal of 47811002 is 20011874.

It can be written as a sum of positive squares in 3 ways, for example, as 20259001 + 27552001 = 4501^2 + 5249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3749 + ... + 10472.

Almost surely, 2^47811002 is an apocalyptic number.

47811002 is a deficient number, since it is larger than the sum of its proper divisors (25702516).

47811002 is a wasteful number, since it uses less digits than its factorization.

47811002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14305 (or 14264 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 47811002 is about 6914.5500215126. The cubic root of 47811002 is about 362.9465020437.

Adding to 47811002 its reverse (20011874), we get a palindrome (67822876).

The spelling of 47811002 in words is "forty-seven million, eight hundred eleven thousand, two".