670473792 has 84 divisors (see below), whose sum is σ = 1925389596. Its totient is φ = 223073280.

The previous prime is 670473737. The next prime is 670473799. The reversal of 670473792 is 297374076.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 462422016 + 208051776 = 21504^2 + 14424^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (670473799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541398 + ... + 542634.

Almost surely, 2^670473792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670473792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962694798).

670473792 is an abundant number, since it is smaller than the sum of its proper divisors (1254915804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670473792 is a wasteful number, since it uses less digits than its factorization.

670473792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 670473792 is about 25893.5086846105. The cubic root of 670473792 is about 875.2402244368.

The spelling of 670473792 in words is "six hundred seventy million, four hundred seventy-three thousand, seven hundred ninety-two".