307042 has 4 divisors (see below), whose sum is σ = 460566. Its totient is φ = 153520.

The previous prime is 307033. The next prime is 307067. The reversal of 307042 is 240703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240703 = 17 ⋅14159.

It can be written as a sum of positive squares in only one way, i.e., 259081 + 47961 = 509^2 + 219^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76759 + ... + 76762.

2³⁰⁷⁰⁴² is an apocalyptic number.

307042 is a deficient number, since it is larger than the sum of its proper divisors (153524).

307042 is a wasteful number, since it uses less digits than its factorization.

307042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153523.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 307042 is about 554.1137067426. The cubic root of 307042 is about 67.4630433271.

Adding to 307042 its reverse (240703), we get a palindrome (547745).

The spelling of 307042 in words is "three hundred seven thousand, forty-two", and thus it is an iban number.