6667954 has 4 divisors (see below), whose sum is σ = 10001934. Its totient is φ = 3333976.

The previous prime is 6667951. The next prime is 6667979. The reversal of 6667954 is 4597666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4597666 = 2 ⋅2298833.

It can be written as a sum of positive squares in only one way, i.e., 4721929 + 1946025 = 2173^2 + 1395^2 .

It is a super-2 number, since 2×6667954² = 88923221092232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6667954.

It is not an unprimeable number, because it can be changed into a prime (6667951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666987 + ... + 1666990.

Almost surely, 2^6667954 is an apocalyptic number.

6667954 is a deficient number, since it is larger than the sum of its proper divisors (3333980).

6667954 is a wasteful number, since it uses less digits than its factorization.

6667954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333979.

The product of its digits is 272160, while the sum is 43.

The square root of 6667954 is about 2582.2381764663. The cubic root of 6667954 is about 188.2193192670.

The spelling of 6667954 in words is "six million, six hundred sixty-seven thousand, nine hundred fifty-four".