67001425842 has 64 divisors (see below), whose sum is σ = 147780864000. Its totient is φ = 20120837184.

The previous prime is 67001425837. The next prime is 67001425847. The reversal of 67001425842 is 24852410076.

It is an interprime number because it is at equal distance from previous prime (67001425837) and next prime (67001425847).

It is a super-2 number, since 2×67001425842² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 67001425842.

It is not an unprimeable number, because it can be changed into a prime (67001425847) 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, 4779159 + ... + 4793157.

It is an arithmetic number, because the mean of its divisors is an integer number (2309076000).

Almost surely, 2^67001425842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67001425842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73890432000).

67001425842 is an abundant number, since it is smaller than the sum of its proper divisors (80779438158).

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

67001425842 is a wasteful number, since it uses less digits than its factorization.

67001425842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15487.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 67001425842 in words is "sixty-seven billion, one million, four hundred twenty-five thousand, eight hundred forty-two".