7937434 has 4 divisors (see below), whose sum is σ = 11906154. Its totient is φ = 3968716.

The previous prime is 7937431. The next prime is 7937441. The reversal of 7937434 is 4347397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4347397 = 661 ⋅6577.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 1203409 = 2595^2 + 1097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7937393 and 7937402.

It is not an unprimeable number, because it can be changed into a prime (7937431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984357 + ... + 1984360.

Almost surely, 2^7937434 is an apocalyptic number.

7937434 is a deficient number, since it is larger than the sum of its proper divisors (3968720).

7937434 is a wasteful number, since it uses less digits than its factorization.

7937434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968719.

The product of its digits is 63504, while the sum is 37.

The square root of 7937434 is about 2817.3452042659. The cubic root of 7937434 is about 199.4772515272.

Subtracting from 7937434 its sum of digits (37), we obtain a palindrome (7937397).

The spelling of 7937434 in words is "seven million, nine hundred thirty-seven thousand, four hundred thirty-four".