67542113604 has 144 divisors (see below), whose sum is σ = 187447585920. Its totient is φ = 18537361920.

The previous prime is 67542113603. The next prime is 67542113621. The reversal of 67542113604 is 40631124576.

It is a happy number.

It is a super-2 number, since 2×67542113604² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67542113603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9470712 + ... + 9477840.

Almost surely, 2^67542113604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67542113604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93723792960).

67542113604 is an abundant number, since it is smaller than the sum of its proper divisors (119905472316).

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

67542113604 is a wasteful number, since it uses less digits than its factorization.

67542113604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290 (or 7245 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 67542113604 in words is "sixty-seven billion, five hundred forty-two million, one hundred thirteen thousand, six hundred four".