6974139 has 8 divisors (see below), whose sum is σ = 9333072. Its totient is φ = 4632320.

The previous prime is 6974137. The next prime is 6974171. The reversal of 6974139 is 9314796.

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 6974139 - 2¹ = 6974137 is a prime.

It is a super-2 number, since 2×6974139² = 97277229582642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6974097 and 6974106.

It is not an unprimeable number, because it can be changed into a prime (6974137) 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, 3294 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1166634).

Almost surely, 2^6974139 is an apocalyptic number.

6974139 is a deficient number, since it is larger than the sum of its proper divisors (2358933).

6974139 is a wasteful number, since it uses less digits than its factorization.

6974139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557.

The product of its digits is 40824, while the sum is 39.

The square root of 6974139 is about 2640.8595191717. The cubic root of 6974139 is about 191.0572546573.

The spelling of 6974139 in words is "six million, nine hundred seventy-four thousand, one hundred thirty-nine".