42374637 has 8 divisors (see below), whose sum is σ = 62777280. Its totient is φ = 28249740.

The previous prime is 42374623. The next prime is 42374639. The reversal of 42374637 is 73647324.

It is a happy number.

It is not a de Polignac number, because 42374637 - 2¹⁶ = 42309101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42374639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784689 + ... + 784742.

It is an arithmetic number, because the mean of its divisors is an integer number (7847160).

Almost surely, 2^42374637 is an apocalyptic number.

It is an amenable number.

42374637 is a deficient number, since it is larger than the sum of its proper divisors (20402643).

42374637 is a wasteful number, since it uses less digits than its factorization.

42374637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569440 (or 1569434 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 42374637 is about 6509.5804012240. The cubic root of 42374637 is about 348.6331369343.

The spelling of 42374637 in words is "forty-two million, three hundred seventy-four thousand, six hundred thirty-seven".