6973157 has 8 divisors (see below), whose sum is σ = 7280280. Its totient is φ = 6672640.

The previous prime is 6973147. The next prime is 6973193. The reversal of 6973157 is 7513796.

It can be written as a sum of positive squares in 4 ways, for example, as 450241 + 6522916 = 671^2 + 2554^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6973157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6973157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6973147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569 + ... + 3777.

It is an arithmetic number, because the mean of its divisors is an integer number (910035).

Almost surely, 2^6973157 is an apocalyptic number.

It is an amenable number.

6973157 is a deficient number, since it is larger than the sum of its proper divisors (307123).

6973157 is a wasteful number, since it uses less digits than its factorization.

6973157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303.

The product of its digits is 39690, while the sum is 38.

The square root of 6973157 is about 2640.6735883104. The cubic root of 6973157 is about 191.0482869061.

The spelling of 6973157 in words is "six million, nine hundred seventy-three thousand, one hundred fifty-seven".