47273149 has 16 divisors (see below), whose sum is σ = 59774976. Its totient is φ = 36313200.

The previous prime is 47273131. The next prime is 47273153. The reversal of 47273149 is 94137274.

It is not a de Polignac number, because 47273149 - 2¹³ = 47264957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47273249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144 + ... + 9790.

It is an arithmetic number, because the mean of its divisors is an integer number (3735936).

Almost surely, 2^47273149 is an apocalyptic number.

It is an amenable number.

47273149 is a deficient number, since it is larger than the sum of its proper divisors (12501827).

47273149 is a wasteful number, since it uses less digits than its factorization.

47273149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736.

The product of its digits is 42336, while the sum is 37.

The square root of 47273149 is about 6875.5471782252. The cubic root of 47273149 is about 361.5803695463.

The spelling of 47273149 in words is "forty-seven million, two hundred seventy-three thousand, one hundred forty-nine".