306372042 has 24 divisors (see below), whose sum is σ = 667149600. Its totient is φ = 101609640.

The previous prime is 306372023. The next prime is 306372043. The reversal of 306372042 is 240273603.

306372042 is a `hidden beast` number, since 3 + 0 + 637 + 20 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 306371997 and 306372015.

It is not an unprimeable number, because it can be changed into a prime (306372043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39184 + ... + 46347.

It is an arithmetic number, because the mean of its divisors is an integer number (27797900).

Almost surely, 2^306372042 is an apocalyptic number.

306372042 is an abundant number, since it is smaller than the sum of its proper divisors (360777558).

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

306372042 is a wasteful number, since it uses less digits than its factorization.

306372042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85738 (or 85735 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 306372042 is about 17503.4865669672. The cubic root of 306372042 is about 674.1394003534.

The spelling of 306372042 in words is "three hundred six million, three hundred seventy-two thousand, forty-two".