7642634 has 4 divisors (see below), whose sum is σ = 11463954. Its totient is φ = 3821316.

The previous prime is 7642627. The next prime is 7642669. The reversal of 7642634 is 4362467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4362467 = 239 ⋅18253.

It can be written as a sum of positive squares in only one way, i.e., 7480225 + 162409 = 2735^2 + 403^2 .

It is a d-powerful number, because it can be written as 7⁸ + 6⁵ + 4³ + 2¹⁷ + 6⁸ + 3¹⁰ + 4⁴ .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 7642634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910657 + ... + 1910660.

Almost surely, 2^7642634 is an apocalyptic number.

7642634 is a deficient number, since it is larger than the sum of its proper divisors (3821320).

7642634 is a wasteful number, since it uses less digits than its factorization.

7642634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821319.

The product of its digits is 24192, while the sum is 32.

The square root of 7642634 is about 2764.5314250339. The cubic root of 7642634 is about 196.9764717192.

The spelling of 7642634 in words is "seven million, six hundred forty-two thousand, six hundred thirty-four".