6738457 has 8 divisors (see below), whose sum is σ = 7434720. Its totient is φ = 6056160.

The previous prime is 6738451. The next prime is 6738461. The reversal of 6738457 is 7548376.

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

It is a de Polignac number, because none of the positive numbers 2^k-6738457 is a prime.

It is a super-3 number, since 3×6738457³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6738451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463 + ... + 4420.

It is an arithmetic number, because the mean of its divisors is an integer number (929340).

Almost surely, 2^6738457 is an apocalyptic number.

It is an amenable number.

6738457 is a deficient number, since it is larger than the sum of its proper divisors (696263).

6738457 is a wasteful number, since it uses less digits than its factorization.

6738457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983.

The product of its digits is 141120, while the sum is 40.

The square root of 6738457 is about 2595.8538094431. The cubic root of 6738457 is about 188.8803681021.

The spelling of 6738457 in words is "six million, seven hundred thirty-eight thousand, four hundred fifty-seven".