42297036 has 24 divisors (see below), whose sum is σ = 100989504. Its totient is φ = 13770960.

The previous prime is 42297019. The next prime is 42297061. The reversal of 42297036 is 63079224.

It is a junction number, because it is equal to n+sod(n) for n = 42296988 and 42297006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40470 + ... + 41501.

It is an arithmetic number, because the mean of its divisors is an integer number (4207896).

Almost surely, 2^42297036 is an apocalyptic number.

It is an amenable number.

42297036 is an abundant number, since it is smaller than the sum of its proper divisors (58692468).

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

42297036 is a wasteful number, since it uses less digits than its factorization.

42297036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82021 (or 82019 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 42297036 is about 6503.6171474034. The cubic root of 42297036 is about 348.4201887047.

Subtracting from 42297036 its sum of digits (33), we obtain a triangular number (42297003 = T₉₁₉₇).

The spelling of 42297036 in words is "forty-two million, two hundred ninety-seven thousand, thirty-six".