670473494 has 4 divisors (see below), whose sum is σ = 1005710244. Its totient is φ = 335236746.

The previous prime is 670473491. The next prime is 670473499. The reversal of 670473494 is 494374076.

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

It is a super-3 number, since 3×670473494³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670473491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167618372 + ... + 167618375.

It is an arithmetic number, because the mean of its divisors is an integer number (251427561).

Almost surely, 2^670473494 is an apocalyptic number.

670473494 is a deficient number, since it is larger than the sum of its proper divisors (335236750).

670473494 is a wasteful number, since it uses less digits than its factorization.

670473494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335236749.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 670473494 is about 25893.5029302719. The cubic root of 670473494 is about 875.2400947665.

The spelling of 670473494 in words is "six hundred seventy million, four hundred seventy-three thousand, four hundred ninety-four".