307704142 has 16 divisors (see below), whose sum is σ = 464203872. Its totient is φ = 152972800.

The previous prime is 307704127. The next prime is 307704149. The reversal of 307704142 is 241407703.

It is a self number, because there is not a number n which added to its sum of digits gives 307704142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307704149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475263 + ... + 475909.

It is an arithmetic number, because the mean of its divisors is an integer number (29012742).

Almost surely, 2^307704142 is an apocalyptic number.

307704142 is a deficient number, since it is larger than the sum of its proper divisors (156499730).

307704142 is a wasteful number, since it uses less digits than its factorization.

307704142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 307704142 is about 17541.4977125672. The cubic root of 307704142 is about 675.1150362696.

The spelling of 307704142 in words is "three hundred seven million, seven hundred four thousand, one hundred forty-two".