7314638 has 4 divisors (see below), whose sum is σ = 10971960. Its totient is φ = 3657318.

The previous prime is 7314631. The next prime is 7314649. The reversal of 7314638 is 8364137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8364137 = 61 ⋅137117.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7314631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1828658 + ... + 1828661.

It is an arithmetic number, because the mean of its divisors is an integer number (2742990).

Almost surely, 2^7314638 is an apocalyptic number.

7314638 is a deficient number, since it is larger than the sum of its proper divisors (3657322).

7314638 is a wasteful number, since it uses less digits than its factorization.

7314638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657321.

The product of its digits is 12096, while the sum is 32.

The square root of 7314638 is about 2704.5587440468. The cubic root of 7314638 is about 194.1173166490.

The spelling of 7314638 in words is "seven million, three hundred fourteen thousand, six hundred thirty-eight".