7276621 has 8 divisors (see below), whose sum is σ = 7970688. Its totient is φ = 6588000.

The previous prime is 7276609. The next prime is 7276631. The reversal of 7276621 is 1266727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7276621 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7276631) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1761 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (996336).

Almost surely, 2^7276621 is an apocalyptic number.

It is an amenable number.

7276621 is a deficient number, since it is larger than the sum of its proper divisors (694067).

7276621 is a wasteful number, since it uses less digits than its factorization.

7276621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its digits is 7056, while the sum is 31.

The square root of 7276621 is about 2697.5212696103. The cubic root of 7276621 is about 193.7804314323.

The spelling of 7276621 in words is "seven million, two hundred seventy-six thousand, six hundred twenty-one".