6740400667034 has 4 divisors (see below), whose sum is σ = 10110601000554. Its totient is φ = 3370200333516.

The previous prime is 6740400667019. The next prime is 6740400667067. The reversal of 6740400667034 is 4307660040476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6540678375625 + 199722291409 = 2557475^2 + 446903^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6740400667034.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685100166757 + ... + 1685100166760.

Almost surely, 2^{6740400667034} is an apocalyptic number.

6740400667034 is a deficient number, since it is larger than the sum of its proper divisors (3370200333520).

6740400667034 is a wasteful number, since it uses less digits than its factorization.

6740400667034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370200333519.

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 6740400667034 in words is "six trillion, seven hundred forty billion, four hundred million, six hundred sixty-seven thousand, thirty-four".