42470637 has 24 divisors (see below), whose sum is σ = 63073920. Its totient is φ = 25396800.

The previous prime is 42470633. The next prime is 42470653. The reversal of 42470637 is 73607424.

It is not a de Polignac number, because 42470637 - 2² = 42470633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 42470598 and 42470607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42470633) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 27937 + ... + 29417.

It is an arithmetic number, because the mean of its divisors is an integer number (2628080).

Almost surely, 2^42470637 is an apocalyptic number.

It is an amenable number.

42470637 is a deficient number, since it is larger than the sum of its proper divisors (20603283).

42470637 is a wasteful number, since it uses less digits than its factorization.

42470637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 42470637 is about 6516.9499767913. The cubic root of 42470637 is about 348.8962152023.

The spelling of 42470637 in words is "forty-two million, four hundred seventy thousand, six hundred thirty-seven".