7642963 has 2 divisors, whose sum is σ = 7642964. Its totient is φ = 7642962.

The previous prime is 7642939. The next prime is 7643017. The reversal of 7642963 is 3692467.

It is a weak prime.

It is an emirp because it is prime and its reverse (3692467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7642963 - 2⁵ = 7642931 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 6⁶ + 4⁵ + 2¹⁵ + 9⁵ + 6⁸ + 3¹⁰ .

It is not a weakly prime, because it can be changed into another prime (7642913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3821481 + 3821482.

It is an arithmetic number, because the mean of its divisors is an integer number (3821482).

Almost surely, 2^7642963 is an apocalyptic number.

7642963 is a deficient number, since it is larger than the sum of its proper divisors (1).

7642963 is an equidigital number, since it uses as much as digits as its factorization.

7642963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 7642963 is about 2764.5909281483. The cubic root of 7642963 is about 196.9792981587.

The spelling of 7642963 in words is "seven million, six hundred forty-two thousand, nine hundred sixty-three".