7620440267 has 8 divisors (see below), whose sum is σ = 8340290112. Its totient is φ = 6905104200.

The previous prime is 7620440237. The next prime is 7620440273.

7620440267 is nontrivially palindromic in base 10.

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 7620440267 - 2²⁰ = 7619391691 is a prime.

It is a super-2 number, since 2×7620440267² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7620440267.

It is not an unprimeable number, because it can be changed into a prime (7620440237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124909 + ... + 1131662.

It is an arithmetic number, because the mean of its divisors is an integer number (1042536264).

Almost surely, 2^7620440267 is an apocalyptic number.

7620440267 is a deficient number, since it is larger than the sum of its proper divisors (719849845).

7620440267 is a wasteful number, since it uses less digits than its factorization.

7620440267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256889.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 7620440267 is about 87295.1331232160. The cubic root of 7620440267 is about 1967.8561772299.

The spelling of 7620440267 in words is "seven billion, six hundred twenty million, four hundred forty thousand, two hundred sixty-seven".