42627340 has 24 divisors (see below), whose sum is σ = 102305952. Its totient is φ = 14615040.

The previous prime is 42627337. The next prime is 42627341. The reversal of 42627340 is 4372624.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 42627299 and 42627308.

It is not an unprimeable number, because it can be changed into a prime (42627341) 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, 152101 + ... + 152380.

It is an arithmetic number, because the mean of its divisors is an integer number (4262748).

Almost surely, 2^42627340 is an apocalyptic number.

It is an amenable number.

42627340 is an abundant number, since it is smaller than the sum of its proper divisors (59678612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42627340 is a wasteful number, since it uses less digits than its factorization.

42627340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304497 (or 304495 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 42627340 is about 6528.9616326028. The cubic root of 42627340 is about 349.3247934934.

Adding to 42627340 its reverse (4372624), we get a palindrome (46999964).

The spelling of 42627340 in words is "forty-two million, six hundred twenty-seven thousand, three hundred forty".