35749 has 4 divisors (see below), whose sum is σ = 40864. Its totient is φ = 30636.

The previous prime is 35747. The next prime is 35753. The reversal of 35749 is 94753.

35749 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: 94753 = 19 ⋅4987.

It is a cyclic number.

It is not a de Polignac number, because 35749 - 2¹ = 35747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35747) 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, 2547 + ... + 2560.

It is an arithmetic number, because the mean of its divisors is an integer number (10216).

2³⁵⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

35749 is a deficient number, since it is larger than the sum of its proper divisors (5115).

35749 is an equidigital number, since it uses as much as digits as its factorization.

35749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114.

The product of its digits is 3780, while the sum is 28.

The square root of 35749 is about 189.0740595640. The cubic root of 35749 is about 32.9423542121.

Subtracting from 35749 its sum of digits (28), we obtain a square (35721 = 189²).

It can be divided in two parts, 357 and 49, that added together give a triangular number (406 = T₂₈).

The spelling of 35749 in words is "thirty-five thousand, seven hundred forty-nine".