67694295840 has 48 divisors (see below), whose sum is σ = 213237033408. Its totient is φ = 18051812096.

The previous prime is 67694295829. The next prime is 67694295923. The reversal of 67694295840 is 4859249676.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70514412 + ... + 70515371.

It is an arithmetic number, because the mean of its divisors is an integer number (4442438196).

Almost surely, 2^67694295840 is an apocalyptic number.

67694295840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67694295840 is an abundant number, since it is smaller than the sum of its proper divisors (145542737568).

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

67694295840 is a wasteful number, since it uses less digits than its factorization.

67694295840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141029801 (or 141029793 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 67694295840 in words is "sixty-seven billion, six hundred ninety-four million, two hundred ninety-five thousand, eight hundred forty".