7216494 has 16 divisors (see below), whose sum is σ = 14469840. Its totient is φ = 2399360.

The previous prime is 7216493. The next prime is 7216507. The reversal of 7216494 is 4946127.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (904365).

Almost surely, 2^7216494 is an apocalyptic number.

7216494 is an abundant number, since it is smaller than the sum of its proper divisors (7253346).

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

7216494 is a wasteful number, since it uses less digits than its factorization.

7216494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075.

The product of its digits is 12096, while the sum is 33.

The square root of 7216494 is about 2686.3532902431. The cubic root of 7216494 is about 193.2452161528.

The spelling of 7216494 in words is "seven million, two hundred sixteen thousand, four hundred ninety-four".