42372884 has 6 divisors (see below), whose sum is σ = 74152554. Its totient is φ = 21186440.

The previous prime is 42372821. The next prime is 42372893. The reversal of 42372884 is 48827324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35664784 + 6708100 = 5972^2 + 2590^2 .

It is a super-2 number, since 2×42372884² = 3590922596954912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5296607 + ... + 5296614.

It is an arithmetic number, because the mean of its divisors is an integer number (12358759).

Almost surely, 2^42372884 is an apocalyptic number.

It is an amenable number.

42372884 is a deficient number, since it is larger than the sum of its proper divisors (31779670).

42372884 is a wasteful number, since it uses less digits than its factorization.

42372884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593225 (or 10593223 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 42372884 is about 6509.4457521359. The cubic root of 42372884 is about 348.6283293233.

The spelling of 42372884 in words is "forty-two million, three hundred seventy-two thousand, eight hundred eighty-four".