67374537397 has 8 divisors (see below), whose sum is σ = 67629240000. Its totient is φ = 67119941280.

The previous prime is 67374537367. The next prime is 67374537407. The reversal of 67374537397 is 79373547376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67374537397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67374537367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380738 + ... + 1428700.

It is an arithmetic number, because the mean of its divisors is an integer number (8453655000).

Almost surely, 2^67374537397 is an apocalyptic number.

It is an amenable number.

67374537397 is a deficient number, since it is larger than the sum of its proper divisors (254702603).

67374537397 is a wasteful number, since it uses less digits than its factorization.

67374537397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53243.

The product of its digits is 70013160, while the sum is 61.

The spelling of 67374537397 in words is "sixty-seven billion, three hundred seventy-four million, five hundred thirty-seven thousand, three hundred ninety-seven".