40374 has 12 divisors (see below), whose sum is σ = 87516. Its totient is φ = 13452.

The previous prime is 40361. The next prime is 40387. The reversal of 40374 is 47304.

It is an interprime number because it is at equal distance from previous prime (40361) and next prime (40387).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2243 = 40374 / (4 + 0 + 3 + 7 + 4).

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1104 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (7293).

2⁴⁰³⁷⁴ is an apocalyptic number.

40374 is an abundant number, since it is smaller than the sum of its proper divisors (47142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40374 is a wasteful number, since it uses less digits than its factorization.

40374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 40374 is about 200.9328245957. The cubic root of 40374 is about 34.3057769483.

Adding to 40374 its reverse (47304), we get a palindrome (87678).

It can be divided in two parts, 40 and 374, that added together give a palindrome (414).

The spelling of 40374 in words is "forty thousand, three hundred seventy-four", and thus it is an iban number.