7673638 has 8 divisors (see below), whose sum is σ = 13154832. Its totient is φ = 3288696.

The previous prime is 7673621. The next prime is 7673657. The reversal of 7673638 is 8363767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×7673638³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7673638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274045 + ... + 274072.

It is an arithmetic number, because the mean of its divisors is an integer number (1644354).

Almost surely, 2^7673638 is an apocalyptic number.

7673638 is a deficient number, since it is larger than the sum of its proper divisors (5481194).

7673638 is a wasteful number, since it uses less digits than its factorization.

7673638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548126.

The product of its digits is 127008, while the sum is 40.

The square root of 7673638 is about 2770.1332097933. The cubic root of 7673638 is about 197.2424715864.

The spelling of 7673638 in words is "seven million, six hundred seventy-three thousand, six hundred thirty-eight".