7274731 has 4 divisors (see below), whose sum is σ = 7377264. Its totient is φ = 7172200.

The previous prime is 7274719. The next prime is 7274767. The reversal of 7274731 is 1374727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1374727 = 251 ⋅5477.

It is a cyclic number.

It is not a de Polignac number, because 7274731 - 2⁵ = 7274699 is a prime.

It is a super-2 number, since 2×7274731² = 105843422244722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7274693 and 7274702.

It is not an unprimeable number, because it can be changed into a prime (7274711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51160 + ... + 51301.

It is an arithmetic number, because the mean of its divisors is an integer number (1844316).

Almost surely, 2^7274731 is an apocalyptic number.

7274731 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

7274731 is a deficient number, since it is larger than the sum of its proper divisors (102533).

7274731 is a wasteful number, since it uses less digits than its factorization.

7274731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102532.

The product of its digits is 8232, while the sum is 31.

The square root of 7274731 is about 2697.1709252474. The cubic root of 7274731 is about 193.7636527320.

The spelling of 7274731 in words is "seven million, two hundred seventy-four thousand, seven hundred thirty-one".