74715 has 16 divisors (see below), whose sum is σ = 127008. Its totient is φ = 37376.

The previous prime is 74713. The next prime is 74717. The reversal of 74715 is 51747.

It is an interprime number because it is at equal distance from previous prime (74713) and next prime (74717).

It is a cyclic number.

It is not a de Polignac number, because 74715 - 2¹ = 74713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109 + ... + 401.

It is an arithmetic number, because the mean of its divisors is an integer number (7938).

2⁷⁴⁷¹⁵ is an apocalyptic number.

74715 is a deficient number, since it is larger than the sum of its proper divisors (52293).

74715 is a wasteful number, since it uses less digits than its factorization.

74715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its digits is 980, while the sum is 24.

The square root of 74715 is about 273.3404470619. The cubic root of 74715 is about 42.1181480577.

Subtracting from 74715 its sum of digits (24), we obtain a triangular number (74691 = T₃₈₆).

The spelling of 74715 in words is "seventy-four thousand, seven hundred fifteen".