47749194 has 24 divisors (see below), whose sum is σ = 104410020. Its totient is φ = 15769728.

The previous prime is 47749187. The next prime is 47749199. The reversal of 47749194 is 49194774.

47749194 is a `hidden beast` number, since 4 + 77 + 491 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37271025 + 10478169 = 6105^2 + 3237^2 .

It is not an unprimeable number, because it can be changed into a prime (47749199) 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 in 11 ways as a sum of consecutive naturals, for example, 10207 + ... + 14130.

Almost surely, 2^47749194 is an apocalyptic number.

47749194 is an abundant number, since it is smaller than the sum of its proper divisors (56660826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47749194 is a wasteful number, since it uses less digits than its factorization.

47749194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24454 (or 24451 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 47749194 is about 6910.0791601833. The cubic root of 47749194 is about 362.7900340746.

The spelling of 47749194 in words is "forty-seven million, seven hundred forty-nine thousand, one hundred ninety-four".