67513480 has 16 divisors (see below), whose sum is σ = 151905420. Its totient is φ = 27005376.

The previous prime is 67513471. The next prime is 67513489. The reversal of 67513480 is 8431576.

It is an interprime number because it is at equal distance from previous prime (67513471) and next prime (67513489).

It can be written as a sum of positive squares in 2 ways, for example, as 62504836 + 5008644 = 7906^2 + 2238^2 .

It is not an unprimeable number, because it can be changed into a prime (67513489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843879 + ... + 843958.

Almost surely, 2^67513480 is an apocalyptic number.

It is an amenable number.

67513480 is an abundant number, since it is smaller than the sum of its proper divisors (84391940).

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

67513480 is a wasteful number, since it uses less digits than its factorization.

67513480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687848 (or 1687844 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 67513480 is about 8216.6586882990. The cubic root of 67513480 is about 407.1897446478.

The spelling of 67513480 in words is "sixty-seven million, five hundred thirteen thousand, four hundred eighty".