670454506 has 8 divisors (see below), whose sum is σ = 1007102340. Its totient is φ = 334753728.

The previous prime is 670454489. The next prime is 670454507. The reversal of 670454506 is 605454076.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 651015225 + 19439281 = 25515^2 + 4409^2 .

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 (670454507) 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, 234991 + ... + 237826.

Almost surely, 2^670454506 is an apocalyptic number.

670454506 is a deficient number, since it is larger than the sum of its proper divisors (336647834).

670454506 is a wasteful number, since it uses less digits than its factorization.

670454506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473528.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 670454506 is about 25893.1362719930. The cubic root of 670454506 is about 875.2318323390.

The spelling of 670454506 in words is "six hundred seventy million, four hundred fifty-four thousand, five hundred six".