67490926394 has 32 divisors (see below), whose sum is σ = 102828220416. Its totient is φ = 33219331200.

The previous prime is 67490926337. The next prime is 67490926397. The reversal of 67490926394 is 49362909476.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67490926397) by changing a digit.

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, 28392134 + ... + 28394510.

It is an arithmetic number, because the mean of its divisors is an integer number (3213381888).

Almost surely, 2^67490926394 is an apocalyptic number.

67490926394 is a deficient number, since it is larger than the sum of its proper divisors (35337294022).

67490926394 is a wasteful number, since it uses less digits than its factorization.

67490926394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 67490926394 in words is "sixty-seven billion, four hundred ninety million, nine hundred twenty-six thousand, three hundred ninety-four".