67474742154 has 32 divisors (see below), whose sum is σ = 138519884160. Its totient is φ = 21903816000.

The previous prime is 67474742131. The next prime is 67474742191. The reversal of 67474742154 is 45124747476.

It is a junction number, because it is equal to n+sod(n) for n = 67474742097 and 67474742106.

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 15 ways as a sum of consecutive naturals, for example, 875694 + ... + 949625.

It is an arithmetic number, because the mean of its divisors is an integer number (4328746380).

Almost surely, 2^67474742154 is an apocalyptic number.

67474742154 is an abundant number, since it is smaller than the sum of its proper divisors (71045142006).

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

67474742154 is a wasteful number, since it uses less digits than its factorization.

67474742154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825486.

The product of its digits is 5268480, while the sum is 51.

It can be divided in two parts, 67474 and 742154, that added together give a triangular number (809628 = T₁₂₇₂).

The spelling of 67474742154 in words is "sixty-seven billion, four hundred seventy-four million, seven hundred forty-two thousand, one hundred fifty-four".