42520612 has 24 divisors (see below), whose sum is σ = 78140160. Its totient is φ = 20217120.

The previous prime is 42520609. The next prime is 42520619. The reversal of 42520612 is 21602524.

It is not an unprimeable number, because it can be changed into a prime (42520619) 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, 5037 + ... + 10507.

It is an arithmetic number, because the mean of its divisors is an integer number (3255840).

Almost surely, 2^42520612 is an apocalyptic number.

It is an amenable number.

42520612 is a deficient number, since it is larger than the sum of its proper divisors (35619548).

42520612 is a wasteful number, since it uses less digits than its factorization.

42520612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42520612 is about 6520.7830818085. The cubic root of 42520612 is about 349.0330097430.

The spelling of 42520612 in words is "forty-two million, five hundred twenty thousand, six hundred twelve".