67898480 has 40 divisors (see below), whose sum is σ = 170009952. Its totient is φ = 25069824.

The previous prime is 67898473. The next prime is 67898489. The reversal of 67898480 is 8489876.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×67898480² = 9220407172620800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67898489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31604 + ... + 33683.

Almost surely, 2^67898480 is an apocalyptic number.

It is an amenable number.

67898480 is an abundant number, since it is smaller than the sum of its proper divisors (102111472).

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

67898480 is a wasteful number, since it uses less digits than its factorization.

67898480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65313 (or 65307 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 67898480 is about 8240.0533978852. The cubic root of 67898480 is about 407.9622866589.

The spelling of 67898480 in words is "sixty-seven million, eight hundred ninety-eight thousand, four hundred eighty".