7400216 has 8 divisors (see below), whose sum is σ = 13875420. Its totient is φ = 3700104.

The previous prime is 7400209. The next prime is 7400243. The reversal of 7400216 is 6120047.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462506 + ... + 462521.

Almost surely, 2^7400216 is an apocalyptic number.

It is an amenable number.

7400216 is a deficient number, since it is larger than the sum of its proper divisors (6475204).

7400216 is a wasteful number, since it uses less digits than its factorization.

7400216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925033 (or 925029 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7400216 is about 2720.3338030470. Note that the first 3 decimals coincide. The cubic root of 7400216 is about 194.8714120467.

The spelling of 7400216 in words is "seven million, four hundred thousand, two hundred sixteen".