67042500 has 120 divisors (see below), whose sum is σ = 223578432. Its totient is φ = 15312000.

The previous prime is 67042489. The next prime is 67042501. The reversal of 67042500 is 524076.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67042501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51862 + ... + 53138.

Almost surely, 2^67042500 is an apocalyptic number.

67042500 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 67042500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111789216).

67042500 is an abundant number, since it is smaller than the sum of its proper divisors (156535932).

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

67042500 is a wasteful number, since it uses less digits than its factorization.

67042500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 67042500 is about 8187.9484610005. The cubic root of 67042500 is about 406.2406703972.

Adding to 67042500 its reverse (524076), we get a palindrome (67566576).

The spelling of 67042500 in words is "sixty-seven million, forty-two thousand, five hundred".