67242480 has 80 divisors (see below), whose sum is σ = 220726944. Its totient is φ = 16875520.

The previous prime is 67242479. The next prime is 67242481. The reversal of 67242480 is 8424276.

It is an interprime number because it is at equal distance from previous prime (67242479) and next prime (67242481).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×67242480² = 9043102233100800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67242481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4161 + ... + 12320.

Almost surely, 2^67242480 is an apocalyptic number.

67242480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67242480 is an abundant number, since it is smaller than the sum of its proper divisors (153484464).

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

67242480 is a wasteful number, since it uses less digits than its factorization.

67242480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16514 (or 16508 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 67242480 is about 8200.1512181179. The cubic root of 67242480 is about 406.6441923738.

The spelling of 67242480 in words is "sixty-seven million, two hundred forty-two thousand, four hundred eighty".