648375574 has 32 divisors (see below), whose sum is σ = 1216083456. Its totient is φ = 251877120.

The previous prime is 648375569. The next prime is 648375577. The reversal of 648375574 is 475573846.

648375574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648375577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48399 + ... + 60325.

It is an arithmetic number, because the mean of its divisors is an integer number (38002608).

Almost surely, 2^648375574 is an apocalyptic number.

648375574 is a deficient number, since it is larger than the sum of its proper divisors (567707882).

648375574 is a wasteful number, since it uses less digits than its factorization.

648375574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12300.

The product of its digits is 2822400, while the sum is 49.

The square root of 648375574 is about 25463.2200241839. The cubic root of 648375574 is about 865.5168924390.

The spelling of 648375574 in words is "six hundred forty-eight million, three hundred seventy-five thousand, five hundred seventy-four".