307057434 has 16 divisors (see below), whose sum is σ = 650239488. Its totient is φ = 96331712.

The previous prime is 307057427. The next prime is 307057441. The reversal of 307057434 is 434750703.

It is an interprime number because it is at equal distance from previous prime (307057427) and next prime (307057441).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 307057395 and 307057404.

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 7 ways as a sum of consecutive naturals, for example, 1505082 + ... + 1505285.

It is an arithmetic number, because the mean of its divisors is an integer number (40639968).

Almost surely, 2^307057434 is an apocalyptic number.

307057434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

307057434 is an abundant number, since it is smaller than the sum of its proper divisors (343182054).

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

307057434 is a wasteful number, since it uses less digits than its factorization.

307057434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010389.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 307057434 is about 17523.0543570463. The cubic root of 307057434 is about 674.6417369052.

The spelling of 307057434 in words is "three hundred seven million, fifty-seven thousand, four hundred thirty-four".