738637 has 4 divisors (see below), whose sum is σ = 762496. Its totient is φ = 714780.

The previous prime is 738623. The next prime is 738643. The reversal of 738637 is 736837.

738637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 736837 = 239 ⋅3083.

It is a cyclic number.

It is not a de Polignac number, because 738637 - 2⁷ = 738509 is a prime.

It is a Duffinian number.

738637 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11883 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (190624).

2⁷³⁸⁶³⁷ is an apocalyptic number.

It is an amenable number.

738637 is a deficient number, since it is larger than the sum of its proper divisors (23859).

738637 is a wasteful number, since it uses less digits than its factorization.

738637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23858.

The product of its digits is 21168, while the sum is 34.

The square root of 738637 is about 859.4399339105. The cubic root of 738637 is about 90.3948495382.

The spelling of 738637 in words is "seven hundred thirty-eight thousand, six hundred thirty-seven".