47639162 has 4 divisors (see below), whose sum is σ = 71458746. Its totient is φ = 23819580.

The previous prime is 47639161. The next prime is 47639167. The reversal of 47639162 is 26193674.

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

It can be written as a sum of positive squares in only one way, i.e., 45819361 + 1819801 = 6769^2 + 1349^2 .

It is not an unprimeable number, because it can be changed into a prime (47639161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11909789 + ... + 11909792.

Almost surely, 2^47639162 is an apocalyptic number.

47639162 is a deficient number, since it is larger than the sum of its proper divisors (23819584).

47639162 is a wasteful number, since it uses less digits than its factorization.

47639162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23819583.

The product of its digits is 54432, while the sum is 38.

The square root of 47639162 is about 6902.1128649132. The cubic root of 47639162 is about 362.5111517774.

The spelling of 47639162 in words is "forty-seven million, six hundred thirty-nine thousand, one hundred sixty-two".