67487040 has 224 divisors, whose sum is σ = 243596160. Its totient is φ = 17584128.

The previous prime is 67487029. The next prime is 67487047. The reversal of 67487040 is 4078476.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 67486986 and 67487004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67487047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630667 + ... + 630773.

Almost surely, 2^67487040 is an apocalyptic number.

67487040 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 67487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121798080).

67487040 is an abundant number, since it is smaller than the sum of its proper divisors (176109120).

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

67487040 is a wasteful number, since it uses less digits than its factorization.

67487040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 190 counting only the distinct ones).

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

The square root of 67487040 is about 8215.0496042325. The cubic root of 67487040 is about 407.1365824122.

The spelling of 67487040 in words is "sixty-seven million, four hundred eighty-seven thousand, forty".