670462394 has 12 divisors (see below), whose sum is σ = 1169888634. Its totient is φ = 287340984.

The previous prime is 670462361. The next prime is 670462409. The reversal of 670462394 is 493264076.

It can be written as a sum of positive squares in only one way, i.e., 466344025 + 204118369 = 21595^2 + 14287^2 .

It is a super-2 number, since 2×670462394² = 899039643536422472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3420629 + ... + 3420824.

Almost surely, 2^670462394 is an apocalyptic number.

670462394 is a deficient number, since it is larger than the sum of its proper divisors (499426240).

670462394 is a wasteful number, since it uses less digits than its factorization.

670462394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841469 (or 6841462 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 670462394 is about 25893.2885899030. The cubic root of 670462394 is about 875.2352647378.

The spelling of 670462394 in words is "six hundred seventy million, four hundred sixty-two thousand, three hundred ninety-four".