7423634 has 4 divisors (see below), whose sum is σ = 11135454. Its totient is φ = 3711816.

The previous prime is 7423631. The next prime is 7423673. The reversal of 7423634 is 4363247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4363247 = 7 ⋅623321.

It can be written as a sum of positive squares in only one way, i.e., 6775609 + 648025 = 2603^2 + 805^2 .

It is a super-2 number, since 2×7423634² = 110220683531912, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7423597 and 7423606.

It is not an unprimeable number, because it can be changed into a prime (7423631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1855907 + ... + 1855910.

Almost surely, 2^7423634 is an apocalyptic number.

7423634 is a deficient number, since it is larger than the sum of its proper divisors (3711820).

7423634 is a wasteful number, since it uses less digits than its factorization.

7423634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711819.

The product of its digits is 12096, while the sum is 29.

The square root of 7423634 is about 2724.6346544078. The cubic root of 7423634 is about 195.0767526043.

The spelling of 7423634 in words is "seven million, four hundred twenty-three thousand, six hundred thirty-four".