7242811 has 4 divisors (see below), whose sum is σ = 7314624. Its totient is φ = 7171000.

The previous prime is 7242803. The next prime is 7242839. The reversal of 7242811 is 1182427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1182427 = 19 ⋅62233.

It is not a de Polignac number, because 7242811 - 2³ = 7242803 is a prime.

It is a super-2 number, since 2×7242811² = 104916622363442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7242511) 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, 35755 + ... + 35956.

It is an arithmetic number, because the mean of its divisors is an integer number (1828656).

Almost surely, 2^7242811 is an apocalyptic number.

7242811 is a deficient number, since it is larger than the sum of its proper divisors (71813).

7242811 is a wasteful number, since it uses less digits than its factorization.

7242811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71812.

The product of its digits is 896, while the sum is 25.

The square root of 7242811 is about 2691.2471086840. The cubic root of 7242811 is about 193.4798390771.

The spelling of 7242811 in words is "seven million, two hundred forty-two thousand, eight hundred eleven".