7274905 has 16 divisors (see below), whose sum is σ = 9576000. Its totient is φ = 5261760.

The previous prime is 7274893. The next prime is 7274951. The reversal of 7274905 is 5094727.

It is not a de Polignac number, because 7274905 - 2¹³ = 7266713 is a prime.

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

7274905 is a lucky 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 in 15 ways as a sum of consecutive naturals, for example, 19006 + ... + 19384.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^7274905 is an apocalyptic number.

It is an amenable number.

7274905 is a deficient number, since it is larger than the sum of its proper divisors (2301095).

7274905 is a wasteful number, since it uses less digits than its factorization.

7274905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 7274905 is about 2697.2031810748. The cubic root of 7274905 is about 193.7651975592.

The spelling of 7274905 in words is "seven million, two hundred seventy-four thousand, nine hundred five".