67670480 has 20 divisors (see below), whose sum is σ = 157334052. Its totient is φ = 27068160.

The previous prime is 67670479. The next prime is 67670497. The reversal of 67670480 is 8407676.

It can be written as a sum of positive squares in 2 ways, for example, as 45050944 + 22619536 = 6712^2 + 4756^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422861 + ... + 423020.

Almost surely, 2^67670480 is an apocalyptic number.

It is an amenable number.

67670480 is an abundant number, since it is smaller than the sum of its proper divisors (89663572).

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

67670480 is a wasteful number, since it uses less digits than its factorization.

67670480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845894 (or 845888 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 67670480 is about 8226.2069023335. The cubic root of 67670480 is about 407.5051349924.

The spelling of 67670480 in words is "sixty-seven million, six hundred seventy thousand, four hundred eighty".