47775774 has 32 divisors (see below), whose sum is σ = 99035136. Its totient is φ = 15348960.

The previous prime is 47775697. The next prime is 47775779. The reversal of 47775774 is 47757774.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47775779) 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, 73519 + ... + 74165.

It is an arithmetic number, because the mean of its divisors is an integer number (3094848).

Almost surely, 2^47775774 is an apocalyptic number.

47775774 is an abundant number, since it is smaller than the sum of its proper divisors (51259362).

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

47775774 is a wasteful number, since it uses less digits than its factorization.

47775774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 1344560, while the sum is 48.

The square root of 47775774 is about 6912.0021701385. The cubic root of 47775774 is about 362.8573383198.

The spelling of 47775774 in words is "forty-seven million, seven hundred seventy-five thousand, seven hundred seventy-four".