47089738 has 4 divisors (see below), whose sum is σ = 70634610. Its totient is φ = 23544868.

The previous prime is 47089703. The next prime is 47089739. The reversal of 47089738 is 83798074.

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., 47018449 + 71289 = 6857^2 + 267^2 .

It is not an unprimeable number, because it can be changed into a prime (47089739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772433 + ... + 11772436.

Almost surely, 2^47089738 is an apocalyptic number.

47089738 is a deficient number, since it is larger than the sum of its proper divisors (23544872).

47089738 is a wasteful number, since it uses less digits than its factorization.

47089738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23544871.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 47089738 is about 6862.1962956476. The cubic root of 47089738 is about 361.1121420159.

It can be divided in two parts, 470897 and 38, that added together give a triangular number (470935 = T₉₇₀).

The spelling of 47089738 in words is "forty-seven million, eighty-nine thousand, seven hundred thirty-eight".