67537894125 has 32 divisors (see below), whose sum is σ = 121027915008. Its totient is φ = 33249422400.

The previous prime is 67537894111. The next prime is 67537894139. The reversal of 67537894125 is 52149873576.

It is an interprime number because it is at equal distance from previous prime (67537894111) and next prime (67537894139).

It is not a de Polignac number, because 67537894125 - 2¹⁷ = 67537763053 is a prime.

It is a super-2 number, since 2×67537894125² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6922089 + ... + 6931838.

It is an arithmetic number, because the mean of its divisors is an integer number (3782122344).

Almost surely, 2^67537894125 is an apocalyptic number.

67537894125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67537894125 is a deficient number, since it is larger than the sum of its proper divisors (53490020883).

67537894125 is a wasteful number, since it uses less digits than its factorization.

67537894125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853958 (or 13853948 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The spelling of 67537894125 in words is "sixty-seven billion, five hundred thirty-seven million, eight hundred ninety-four thousand, one hundred twenty-five".