375749 has 4 divisors (see below), whose sum is σ = 409920. Its totient is φ = 341580.

The previous prime is 375743. The next prime is 375757. The reversal of 375749 is 947573.

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: 947573 = 11 ⋅86143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375749 is a prime.

It is a super-2 number, since 2×375749² = 282374622002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375743) 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, 17069 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2³⁷⁵⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

375749 is a deficient number, since it is larger than the sum of its proper divisors (34171).

375749 is a wasteful number, since it uses less digits than its factorization.

375749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34170.

The product of its digits is 26460, while the sum is 35.

The square root of 375749 is about 612.9836865692. The cubic root of 375749 is about 72.1604574719.

It can be divided in two parts, 375 and 749, that multiplied together give a triangular number (280875 = T₇₄₉).

The spelling of 375749 in words is "three hundred seventy-five thousand, seven hundred forty-nine".