42472774 has 8 divisors (see below), whose sum is σ = 64660248. Its totient is φ = 20919360.

The previous prime is 42472757. The next prime is 42472799. The reversal of 42472774 is 47727424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158347 + ... + 158614.

It is an arithmetic number, because the mean of its divisors is an integer number (8082531).

Almost surely, 2^42472774 is an apocalyptic number.

42472774 is a deficient number, since it is larger than the sum of its proper divisors (22187474).

42472774 is a wasteful number, since it uses less digits than its factorization.

42472774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317030.

The product of its digits is 87808, while the sum is 37.

The square root of 42472774 is about 6517.1139317953. The cubic root of 42472774 is about 348.9020669214.

It can be divided in two parts, 4247 and 2774, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 42472774 in words is "forty-two million, four hundred seventy-two thousand, seven hundred seventy-four".