67794099450 has 144 divisors (see below), whose sum is σ = 213359228064. Its totient is φ = 14087068800.

The previous prime is 67794099433. The next prime is 67794099463. The reversal of 67794099450 is 5499049776.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 338409 + ... + 500108.

It is an arithmetic number, because the mean of its divisors is an integer number (1481661306).

Almost surely, 2^67794099450 is an apocalyptic number.

67794099450 is an abundant number, since it is smaller than the sum of its proper divisors (145565128614).

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

67794099450 is a wasteful number, since it uses less digits than its factorization.

67794099450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838557 (or 838545 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 67794099450 in words is "sixty-seven billion, seven hundred ninety-four million, ninety-nine thousand, four hundred fifty".