67348857474 has 24 divisors (see below), whose sum is σ = 145927458300. Its totient is φ = 22448860128.

The previous prime is 67348857473. The next prime is 67348857479. The reversal of 67348857474 is 47475884376.

67348857474 is a `hidden beast` number, since 6 + 7 + 34 + 88 + 57 + 474 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58858156449 + 8490701025 = 242607^2 + 92145^2 .

It is not an unprimeable number, because it can be changed into a prime (67348857473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809004 + ... + 888360.

Almost surely, 2^67348857474 is an apocalyptic number.

67348857474 is an abundant number, since it is smaller than the sum of its proper divisors (78578600826).

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

67348857474 is a wasteful number, since it uses less digits than its factorization.

67348857474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126514 (or 126511 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 63.

The spelling of 67348857474 in words is "sixty-seven billion, three hundred forty-eight million, eight hundred fifty-seven thousand, four hundred seventy-four".