42472844 has 6 divisors (see below), whose sum is σ = 74327484. Its totient is φ = 21236420.

The previous prime is 42472813. The next prime is 42472867. The reversal of 42472844 is 44827424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5309102 + ... + 5309109.

It is an arithmetic number, because the mean of its divisors is an integer number (12387914).

Almost surely, 2^42472844 is an apocalyptic number.

It is an amenable number.

42472844 is a deficient number, since it is larger than the sum of its proper divisors (31854640).

42472844 is a wasteful number, since it uses less digits than its factorization.

42472844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618215 (or 10618213 counting only the distinct ones).

The product of its digits is 57344, while the sum is 35.

The square root of 42472844 is about 6517.1193022684. The cubic root of 42472844 is about 348.9022585982.

The spelling of 42472844 in words is "forty-two million, four hundred seventy-two thousand, eight hundred forty-four".