74396485 has 4 divisors (see below), whose sum is σ = 89275788. Its totient is φ = 59517184.

The previous prime is 74396479. The next prime is 74396489. The reversal of 74396485 is 58469347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58469347 = 1013 ⋅57719.

It can be written as a sum of positive squares in 2 ways, for example, as 53319204 + 21077281 = 7302^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 74396485 - 2³ = 74396477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74396489) 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, 7439644 + ... + 7439653.

It is an arithmetic number, because the mean of its divisors is an integer number (22318947).

Almost surely, 2^74396485 is an apocalyptic number.

It is an amenable number.

74396485 is a deficient number, since it is larger than the sum of its proper divisors (14879303).

74396485 is a wasteful number, since it uses less digits than its factorization.

74396485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14879302.

The product of its digits is 725760, while the sum is 46.

The square root of 74396485 is about 8625.3397034552. The cubic root of 74396485 is about 420.5821198690.

It can be divided in two parts, 7439 and 6485, that added together give a square (13924 = 118²).

The spelling of 74396485 in words is "seventy-four million, three hundred ninety-six thousand, four hundred eighty-five".