670408754 has 8 divisors (see below), whose sum is σ = 1007244828. Its totient is φ = 334660480.

The previous prime is 670408729. The next prime is 670408757. The reversal of 670408754 is 457804076.

670408754 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 654592225 + 15816529 = 25585^2 + 3977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (670408757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270407 + ... + 272874.

Almost surely, 2^670408754 is an apocalyptic number.

670408754 is a deficient number, since it is larger than the sum of its proper divisors (336836074).

670408754 is a wasteful number, since it uses less digits than its factorization.

670408754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543900.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 670408754 is about 25892.2527795478. The cubic root of 670408754 is about 875.2119231991.

The spelling of 670408754 in words is "six hundred seventy million, four hundred eight thousand, seven hundred fifty-four".