618074 has 4 divisors (see below), whose sum is σ = 927114. Its totient is φ = 309036.

The previous prime is 618053. The next prime is 618083. The reversal of 618074 is 470816.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 616225 + 1849 = 785^2 + 43^2 .

It is an unprimeable number.

618074 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 154517 + ... + 154520.

2⁶¹⁸⁰⁷⁴ is an apocalyptic number.

618074 is a deficient number, since it is larger than the sum of its proper divisors (309040).

618074 is a wasteful number, since it uses less digits than its factorization.

618074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309039.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 618074 is about 786.1768248937. The cubic root of 618074 is about 85.1818023395.

The spelling of 618074 in words is "six hundred eighteen thousand, seventy-four".