737 has 4 divisors (see below), whose sum is σ = 816. Its totient is φ = 660.

The previous prime is 733. The next prime is 739.

737 is nontrivially palindromic in base 10 and base 12.

737 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 a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 737 - 2² = 733 is a prime.

It is a Duffinian number.

737 is an undulating number in base 10 and base 12.

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 44.

It is an arithmetic number, because the mean of its divisors is an integer number (204).

It is a Proth number, since it is equal to 23 ⋅ 2⁵ + 1 and 23 < 2⁵.

It is an amenable number.

737 is a deficient number, since it is larger than the sum of its proper divisors (79).

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

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

The sum of its prime factors is 78.

The product of its digits is 147, while the sum is 17.

The square root of 737 is about 27.1477439210. The cubic root of 737 is about 9.0328021123.

It can be divided in two parts, 7 and 37, that added together give a palindrome (44).

The spelling of 737 in words is "seven hundred thirty-seven", and thus it is an aban number and an oban number.