7274739 has 32 divisors (see below), whose sum is σ = 11059200. Its totient is φ = 4229280.

The previous prime is 7274719. The next prime is 7274767. The reversal of 7274739 is 9374727.

It is not a de Polignac number, because 7274739 - 2¹¹ = 7272691 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 7 + 2¹⁷ + 7² + 4¹¹ + 7⁷ + 3¹³ + 9⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 7274697 and 7274706.

It is not an unprimeable number, because it can be changed into a prime (7274719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40552 + ... + 40730.

It is an arithmetic number, because the mean of its divisors is an integer number (345600).

Almost surely, 2^7274739 is an apocalyptic number.

7274739 is a deficient number, since it is larger than the sum of its proper divisors (3784461).

7274739 is a wasteful number, since it uses less digits than its factorization.

7274739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its digits is 74088, while the sum is 39.

The square root of 7274739 is about 2697.1724082824. The cubic root of 7274739 is about 193.7637237591.

The spelling of 7274739 in words is "seven million, two hundred seventy-four thousand, seven hundred thirty-nine".