74957 has 4 divisors (see below), whose sum is σ = 78240. Its totient is φ = 71676.

The previous prime is 74941. The next prime is 74959. The reversal of 74957 is 75947.

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: 75947 = 173 ⋅439.

It is a cyclic number.

It is not a de Polignac number, because 74957 - 2⁴ = 74941 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74959) 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, 1607 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (19560).

2⁷⁴⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

74957 is a deficient number, since it is larger than the sum of its proper divisors (3283).

74957 is a wasteful number, since it uses less digits than its factorization.

74957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282.

The product of its digits is 8820, while the sum is 32.

The square root of 74957 is about 273.7827605968. The cubic root of 74957 is about 42.1635722567.

Subtracting 74957 from its reverse (75947), we obtain a triangular number (990 = T₄₄).

The spelling of 74957 in words is "seventy-four thousand, nine hundred fifty-seven".