42562730 has 64 divisors (see below), whose sum is σ = 94804992. Its totient is φ = 13424640.

The previous prime is 42562711. The next prime is 42562753. The reversal of 42562730 is 3726524.

It is a junction number, because it is equal to n+sod(n) for n = 42562693 and 42562702.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55550 + ... + 56310.

It is an arithmetic number, because the mean of its divisors is an integer number (1481328).

Almost surely, 2^42562730 is an apocalyptic number.

42562730 is the 5327-th pentagonal number.

42562730 is an abundant number, since it is smaller than the sum of its proper divisors (52242262).

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

42562730 is a wasteful number, since it uses less digits than its factorization.

42562730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 42562730 is about 6524.0118025644. The cubic root of 42562730 is about 349.1482144283.

The spelling of 42562730 in words is "forty-two million, five hundred sixty-two thousand, seven hundred thirty".