6740400007 has 8 divisors (see below), whose sum is σ = 7386140160. Its totient is φ = 6100155960.

The previous prime is 6740399977. The next prime is 6740400053. The reversal of 6740400007 is 7000040476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6740400007 - 2¹¹ = 6740397959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740400067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371457 + ... + 1376362.

It is an arithmetic number, because the mean of its divisors is an integer number (923267520).

Almost surely, 2^6740400007 is an apocalyptic number.

6740400007 is a deficient number, since it is larger than the sum of its proper divisors (645740153).

6740400007 is a wasteful number, since it uses less digits than its factorization.

6740400007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748053.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 6740400007 is about 82099.9391412686. The cubic root of 6740400007 is about 1888.9852065588.

The spelling of 6740400007 in words is "six billion, seven hundred forty million, four hundred thousand, seven".