42374216 has 8 divisors (see below), whose sum is σ = 79451670. Its totient is φ = 21187104.

The previous prime is 42374201. The next prime is 42374219. The reversal of 42374216 is 61247324.

It can be written as a sum of positive squares in only one way, i.e., 40271716 + 2102500 = 6346^2 + 1450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42374216² = 3591148363229312, which contains 22 as substring.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (42374219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2648381 + ... + 2648396.

Almost surely, 2^42374216 is an apocalyptic number.

It is an amenable number.

42374216 is a deficient number, since it is larger than the sum of its proper divisors (37077454).

42374216 is a wasteful number, since it uses less digits than its factorization.

42374216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296783 (or 5296779 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 42374216 is about 6509.5480641900. The cubic root of 42374216 is about 348.6319823519.

The spelling of 42374216 in words is "forty-two million, three hundred seventy-four thousand, two hundred sixteen".