7631420164 has 27 divisors (see below), whose sum is σ = 13809489141. Its totient is φ = 3690001920.

The previous prime is 7631420123. The next prime is 7631420201. The reversal of 7631420164 is 4610241367.

The square root of 7631420164 is 87358.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 97180164 + 7534240000 = 9858^2 + 86800^2 .

It is a super-3 number, since 3×7631420164³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 5415492 + ... + 5416900.

Almost surely, 2^7631420164 is an apocalyptic number.

7631420164 is the 87358-th square number.

It is an amenable number.

7631420164 is a deficient number, since it is larger than the sum of its proper divisors (6178068977).

7631420164 is an equidigital number, since it uses as much as digits as its factorization.

7631420164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The cubic root of 7631420164 is about 1968.8008509530.

The spelling of 7631420164 in words is "seven billion, six hundred thirty-one million, four hundred twenty thousand, one hundred sixty-four".