47821502 has 4 divisors (see below), whose sum is σ = 71732256. Its totient is φ = 23910750.

The previous prime is 47821489. The next prime is 47821511. The reversal of 47821502 is 20512874.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11955374 + ... + 11955377.

It is an arithmetic number, because the mean of its divisors is an integer number (17933064).

Almost surely, 2^47821502 is an apocalyptic number.

47821502 is a deficient number, since it is larger than the sum of its proper divisors (23910754).

47821502 is a wasteful number, since it uses less digits than its factorization.

47821502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23910753.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 47821502 is about 6915.3092483272. The cubic root of 47821502 is about 362.9730695642.

The spelling of 47821502 in words is "forty-seven million, eight hundred twenty-one thousand, five hundred two".