6750442 has 4 divisors (see below), whose sum is σ = 10125666. Its totient is φ = 3375220.

The previous prime is 6750439. The next prime is 6750461. The reversal of 6750442 is 2440576.

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., 6095961 + 654481 = 2469^2 + 809^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6750442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1687609 + ... + 1687612.

Almost surely, 2^6750442 is an apocalyptic number.

6750442 is a deficient number, since it is larger than the sum of its proper divisors (3375224).

6750442 is a wasteful number, since it uses less digits than its factorization.

6750442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375223.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 6750442 is about 2598.1612729005. The cubic root of 6750442 is about 188.9922824690.

The spelling of 6750442 in words is "six million, seven hundred fifty thousand, four hundred forty-two".