67402002140732 has 24 divisors (see below), whose sum is σ = 139152520550400. Its totient is φ = 27954747431280.

The previous prime is 67402002140699. The next prime is 67402002140771. The reversal of 67402002140732 is 23704120020476.

It is a happy number.

It is a super-2 number, since 2×67402002140732² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38826037232 + ... + 38826038967.

It is an arithmetic number, because the mean of its divisors is an integer number (5798021689600).

Almost surely, 2^{67402002140732} is an apocalyptic number.

67402002140732 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67402002140732 is an abundant number, since it is smaller than the sum of its proper divisors (71750518409668).

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

67402002140732 is a wasteful number, since it uses less digits than its factorization.

67402002140732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77652076241 (or 77652076239 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 67402002140732 in words is "sixty-seven trillion, four hundred two billion, two million, one hundred forty thousand, seven hundred thirty-two".