67481407474 has 32 divisors (see below), whose sum is σ = 114472592640. Its totient is φ = 29601329472.

The previous prime is 67481407439. The next prime is 67481407493. The reversal of 67481407474 is 47470418476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265494 + ... + 453265.

It is an arithmetic number, because the mean of its divisors is an integer number (3577268520).

Almost surely, 2^67481407474 is an apocalyptic number.

67481407474 is a deficient number, since it is larger than the sum of its proper divisors (46991185166).

67481407474 is a wasteful number, since it uses less digits than its factorization.

67481407474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718954.

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 67481407474 in words is "sixty-seven billion, four hundred eighty-one million, four hundred seven thousand, four hundred seventy-four".