7236505 has 8 divisors (see below), whose sum is σ = 8699400. Its totient is φ = 5778816.

The previous prime is 7236503. The next prime is 7236529. The reversal of 7236505 is 5056327.

It can be written as a sum of positive squares in 4 ways, for example, as 3810304 + 3426201 = 1952^2 + 1851^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7236505 - 2¹ = 7236503 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7236503) 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, 3151 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (1087425).

Almost surely, 2^7236505 is an apocalyptic number.

It is an amenable number.

7236505 is a deficient number, since it is larger than the sum of its proper divisors (1462895).

7236505 is a wasteful number, since it uses less digits than its factorization.

7236505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 7236505 is about 2690.0752777571. The cubic root of 7236505 is about 193.4236712841.

The spelling of 7236505 in words is "seven million, two hundred thirty-six thousand, five hundred five".