670047480 has 96 divisors (see below), whose sum is σ = 2186973360. Its totient is φ = 177914880.

The previous prime is 670047479. The next prime is 670047517. The reversal of 670047480 is 84740076.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82899 + ... + 90621.

Almost surely, 2^670047480 is an apocalyptic number.

670047480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670047480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093486680).

670047480 is an abundant number, since it is smaller than the sum of its proper divisors (1516925880).

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

670047480 is a wasteful number, since it uses less digits than its factorization.

670047480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981 (or 7974 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 670047480 is about 25885.2753510562. The cubic root of 670047480 is about 875.0546817527.

The spelling of 670047480 in words is "six hundred seventy million, forty-seven thousand, four hundred eighty".