7740131 has 8 divisors (see below), whose sum is σ = 8863584. Its totient is φ = 6621120.

The previous prime is 7740127. The next prime is 7740133. The reversal of 7740131 is 1310477.

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

It is a cyclic number.

It is not a de Polignac number, because 7740131 - 2² = 7740127 is a prime.

It is a super-2 number, since 2×7740131² = 119819255794322, 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 = 7740097 and 7740106.

It is not an unprimeable number, because it can be changed into a prime (7740133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4601 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (1107948).

Almost surely, 2^7740131 is an apocalyptic number.

7740131 is a deficient number, since it is larger than the sum of its proper divisors (1123453).

7740131 is a wasteful number, since it uses less digits than its factorization.

7740131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 7740131 is about 2782.1090920379. The cubic root of 7740131 is about 197.8105438730.

The spelling of 7740131 in words is "seven million, seven hundred forty thousand, one hundred thirty-one".