67400073474 has 32 divisors (see below), whose sum is σ = 136860421824. Its totient is φ = 22125043200.

The previous prime is 67400073463. The next prime is 67400073479. The reversal of 67400073474 is 47437000476.

It is not an unprimeable number, because it can be changed into a prime (67400073479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60327 + ... + 372074.

It is an arithmetic number, because the mean of its divisors is an integer number (4276888182).

Almost surely, 2^67400073474 is an apocalyptic number.

67400073474 is an abundant number, since it is smaller than the sum of its proper divisors (69460348350).

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

67400073474 is a wasteful number, since it uses less digits than its factorization.

67400073474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432802.

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 67400073474 in words is "sixty-seven billion, four hundred million, seventy-three thousand, four hundred seventy-four".