675505478 has 16 divisors (see below), whose sum is σ = 1025589600. Its totient is φ = 333655296.

The previous prime is 675505477. The next prime is 675505541. The reversal of 675505478 is 874505576.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675505477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113300 + ... + 119112.

It is an arithmetic number, because the mean of its divisors is an integer number (64099350).

Almost surely, 2^675505478 is an apocalyptic number.

675505478 is a deficient number, since it is larger than the sum of its proper divisors (350084122).

675505478 is a wasteful number, since it uses less digits than its factorization.

675505478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The square root of 675505478 is about 25990.4882216552. The cubic root of 675505478 is about 877.4242337377.

The spelling of 675505478 in words is "six hundred seventy-five million, five hundred five thousand, four hundred seventy-eight".