307305426 has 8 divisors (see below), whose sum is σ = 614610864. Its totient is φ = 102435140.

The previous prime is 307305419. The next prime is 307305451. The reversal of 307305426 is 624503703.

It is a sphenic number, since it is the product of 3 distinct primes.

307305426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 307305393 and 307305402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25608780 + ... + 25608791.

It is an arithmetic number, because the mean of its divisors is an integer number (76826358).

Almost surely, 2^307305426 is an apocalyptic number.

307305426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

307305426 is a wasteful number, since it uses less digits than its factorization.

307305426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51217576.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 307305426 is about 17530.1290925081. The cubic root of 307305426 is about 674.8233106808.

The spelling of 307305426 in words is "three hundred seven million, three hundred five thousand, four hundred twenty-six".