307421342 has 4 divisors (see below), whose sum is σ = 461132016. Its totient is φ = 153710670.

The previous prime is 307421341. The next prime is 307421347. The reversal of 307421342 is 243124703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243124703 = 19 ⋅12796037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307421341) by changing a digit.

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 as a sum of consecutive naturals, namely, 76855334 + ... + 76855337.

It is an arithmetic number, because the mean of its divisors is an integer number (115283004).

Almost surely, 2^307421342 is an apocalyptic number.

307421342 is a deficient number, since it is larger than the sum of its proper divisors (153710674).

307421342 is a wasteful number, since it uses less digits than its factorization.

307421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153710673.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 307421342 is about 17533.4349743569. The cubic root of 307421342 is about 674.9081480869.

The spelling of 307421342 in words is "three hundred seven million, four hundred twenty-one thousand, three hundred forty-two".