42252736 has 14 divisors (see below), whose sum is σ = 83845400. Its totient is φ = 21126336.

The previous prime is 42252733. The next prime is 42252737. The reversal of 42252736 is 63725224.

It is a junction number, because it is equal to n+sod(n) for n = 42252698 and 42252707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330036 + ... + 330163.

Almost surely, 2^42252736 is an apocalyptic number.

It is an amenable number.

42252736 is a deficient number, since it is larger than the sum of its proper divisors (41592664).

42252736 is an equidigital number, since it uses as much as digits as its factorization.

42252736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660211 (or 660201 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 42252736 is about 6500.2104581313. The cubic root of 42252736 is about 348.2985063711.

The spelling of 42252736 in words is "forty-two million, two hundred fifty-two thousand, seven hundred thirty-six".