6997154 has 4 divisors (see below), whose sum is σ = 10495734. Its totient is φ = 3498576.

The previous prime is 6997153. The next prime is 6997157. The reversal of 6997154 is 4517996.

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., 5736025 + 1261129 = 2395^2 + 1123^2 .

It is not an unprimeable number, because it can be changed into a prime (6997153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749287 + ... + 1749290.

Almost surely, 2^6997154 is an apocalyptic number.

6997154 is a deficient number, since it is larger than the sum of its proper divisors (3498580).

6997154 is a wasteful number, since it uses less digits than its factorization.

6997154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498579.

The product of its digits is 68040, while the sum is 41.

The square root of 6997154 is about 2645.2134129404. The cubic root of 6997154 is about 191.2671899909.

The spelling of 6997154 in words is "six million, nine hundred ninety-seven thousand, one hundred fifty-four".