7276505 has 4 divisors (see below), whose sum is σ = 8731812. Its totient is φ = 5821200.

The previous prime is 7276471. The next prime is 7276517. The reversal of 7276505 is 5056727.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4596736 + 2679769 = 2144^2 + 1637^2 .

It is not a de Polignac number, because 7276505 - 2¹² = 7272409 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727646 + ... + 727655.

It is an arithmetic number, because the mean of its divisors is an integer number (2182953).

Almost surely, 2^7276505 is an apocalyptic number.

It is an amenable number.

7276505 is a deficient number, since it is larger than the sum of its proper divisors (1455307).

7276505 is a wasteful number, since it uses less digits than its factorization.

7276505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455306.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 7276505 is about 2697.4997683040. The cubic root of 7276505 is about 193.7794017122.

The spelling of 7276505 in words is "seven million, two hundred seventy-six thousand, five hundred five".