7672420031 has 2 divisors, whose sum is σ = 7672420032. Its totient is φ = 7672420030.

The previous prime is 7672420027. The next prime is 7672420037. The reversal of 7672420031 is 1300242767.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7672420031 - 2² = 7672420027 is a prime.

It is a super-2 number, since 2×7672420031² (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 7672420031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7672420037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3836210015 + 3836210016.

It is an arithmetic number, because the mean of its divisors is an integer number (3836210016).

Almost surely, 2^7672420031 is an apocalyptic number.

7672420031 is a deficient number, since it is larger than the sum of its proper divisors (1).

7672420031 is an equidigital number, since it uses as much as digits as its factorization.

7672420031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 7672420031 is about 87592.3514412075. The cubic root of 7672420031 is about 1972.3203551396.

Adding to 7672420031 its reverse (1300242767), we get a palindrome (8972662798).

The spelling of 7672420031 in words is "seven billion, six hundred seventy-two million, four hundred twenty thousand, thirty-one".