7944450 has 24 divisors (see below), whose sum is σ = 19702608. Its totient is φ = 2118480.

The previous prime is 7944439. The next prime is 7944473. The reversal of 7944450 is 544497.

It is a happy number.

It is a super-2 number, since 2×7944450² = 126228571605000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26332 + ... + 26631.

It is an arithmetic number, because the mean of its divisors is an integer number (820942).

Almost surely, 2^7944450 is an apocalyptic number.

7944450 is an abundant number, since it is smaller than the sum of its proper divisors (11758158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7944450 is a wasteful number, since it uses less digits than its factorization.

7944450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52978 (or 52973 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 7944450 is about 2818.5900730684. The cubic root of 7944450 is about 199.5360077216.

The spelling of 7944450 in words is "seven million, nine hundred forty-four thousand, four hundred fifty".