630074 has 4 divisors (see below), whose sum is σ = 945114. Its totient is φ = 315036.

The previous prime is 630067. The next prime is 630101. The reversal of 630074 is 470036.

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., 628849 + 1225 = 793^2 + 35^2 .

It is an unprimeable 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, 157517 + ... + 157520.

2⁶³⁰⁰⁷⁴ is an apocalyptic number.

630074 is a deficient number, since it is larger than the sum of its proper divisors (315040).

630074 is a wasteful number, since it uses less digits than its factorization.

630074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315039.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 630074 is about 793.7720075689. The cubic root of 630074 is about 85.7295451668.

The spelling of 630074 in words is "six hundred thirty thousand, seventy-four".