648074 has 24 divisors (see below), whose sum is σ = 1200420. Its totient is φ = 260736.

The previous prime is 648073. The next prime is 648079. The reversal of 648074 is 470846.

648074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 49 = 805^2 + 7^2 .

It is not an unprimeable number, because it can be changed into a prime (648073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1472 + ... + 1860.

2⁶⁴⁸⁰⁷⁴ is an apocalyptic number.

648074 is a deficient number, since it is larger than the sum of its proper divisors (552346).

648074 is a wasteful number, since it uses less digits than its factorization.

648074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 648074 is about 805.0304342073. The cubic root of 648074 is about 86.5382681199.

The spelling of 648074 in words is "six hundred forty-eight thousand, seventy-four".