6999754 has 4 divisors (see below), whose sum is σ = 10499634. Its totient is φ = 3499876.

The previous prime is 6999749. The next prime is 6999781. The reversal of 6999754 is 4579996.

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., 6477025 + 522729 = 2545^2 + 723^2 .

It is a super-3 number, since 3×6999754³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6999698 and 6999707.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1749937 + ... + 1749940.

Almost surely, 2^6999754 is an apocalyptic number.

6999754 is a deficient number, since it is larger than the sum of its proper divisors (3499880).

6999754 is a wasteful number, since it uses less digits than its factorization.

6999754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499879.

The product of its digits is 612360, while the sum is 49.

The square root of 6999754 is about 2645.7048210260. The cubic root of 6999754 is about 191.2908773887.

The spelling of 6999754 in words is "six million, nine hundred ninety-nine thousand, seven hundred fifty-four".