7241881 has 8 divisors (see below), whose sum is σ = 7698024. Its totient is φ = 6789120.

The previous prime is 7241797. The next prime is 7241891. The reversal of 7241881 is 1881427.

It can be written as a sum of positive squares in 4 ways, for example, as 400 + 7241481 = 20^2 + 2691^2 .

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

It is not a de Polignac number, because 7241881 - 2⁷ = 7241753 is a prime.

It is a super-2 number, since 2×7241881² = 104889680836322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7241891) 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, 4641 + ... + 6001.

It is an arithmetic number, because the mean of its divisors is an integer number (962253).

Almost surely, 2^7241881 is an apocalyptic number.

It is an amenable number.

7241881 is a deficient number, since it is larger than the sum of its proper divisors (456143).

7241881 is a wasteful number, since it uses less digits than its factorization.

7241881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its digits is 3584, while the sum is 31.

The square root of 7241881 is about 2691.0743207871. The cubic root of 7241881 is about 193.4715575801.

The spelling of 7241881 in words is "seven million, two hundred forty-one thousand, eight hundred eighty-one".