47421774 has 20 divisors (see below), whose sum is σ = 106260264. Its totient is φ = 15807204.

The previous prime is 47421769. The next prime is 47421779. The reversal of 47421774 is 47712474.

It is an interprime number because it is at equal distance from previous prime (47421769) and next prime (47421779).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47421779) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 146202 + ... + 146525.

Almost surely, 2^47421774 is an apocalyptic number.

47421774 is an abundant number, since it is smaller than the sum of its proper divisors (58838490).

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

47421774 is a wasteful number, since it uses less digits than its factorization.

47421774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292741 (or 292732 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 47421774 is about 6886.3469270724. The cubic root of 47421774 is about 361.9589048106.

It can be divided in two parts, 47 and 421774, that added together give a triangular number (421821 = T₉₁₈).

The spelling of 47421774 in words is "forty-seven million, four hundred twenty-one thousand, seven hundred seventy-four".