303240074 has 4 divisors (see below), whose sum is σ = 454860114. Its totient is φ = 151620036.

The previous prime is 303240043. The next prime is 303240079. The reversal of 303240074 is 470042303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470042303 = 241 ⋅1950383.

It can be written as a sum of positive squares in only one way, i.e., 288762049 + 14478025 = 16993^2 + 3805^2 .

It is not an unprimeable number, because it can be changed into a prime (303240079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75810017 + ... + 75810020.

Almost surely, 2^303240074 is an apocalyptic number.

303240074 is a deficient number, since it is larger than the sum of its proper divisors (151620040).

303240074 is a wasteful number, since it uses less digits than its factorization.

303240074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151620039.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 303240074 is about 17413.7897655852. The cubic root of 303240074 is about 671.8343391842.

Adding to 303240074 its reverse (470042303), we get a palindrome (773282377).

The spelling of 303240074 in words is "three hundred three million, two hundred forty thousand, seventy-four".