670532354 has 4 divisors (see below), whose sum is σ = 1005798534. Its totient is φ = 335266176.

The previous prime is 670532351. The next prime is 670532393. The reversal of 670532354 is 453235076.

670532354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 606292129 + 64240225 = 24623^2 + 8015^2 .

It is a super-2 number, since 2×670532354² = 899227275521562632, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (670532351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167633087 + ... + 167633090.

Almost surely, 2^670532354 is an apocalyptic number.

670532354 is a deficient number, since it is larger than the sum of its proper divisors (335266180).

670532354 is a wasteful number, since it uses less digits than its factorization.

670532354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335266179.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 670532354 is about 25894.6394838777. The cubic root of 670532354 is about 875.2657060819.

The spelling of 670532354 in words is "six hundred seventy million, five hundred thirty-two thousand, three hundred fifty-four".