74854485 has 24 divisors (see below), whose sum is σ = 137381400. Its totient is φ = 37573632.

The previous prime is 74854469. The next prime is 74854487. The reversal of 74854485 is 58445847.

It can be written as a sum of positive squares in 4 ways, for example, as 28804689 + 46049796 = 5367^2 + 6786^2 .

It is not a de Polignac number, because 74854485 - 2⁴ = 74854469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 74854485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74854487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48160 + ... + 49689.

It is an arithmetic number, because the mean of its divisors is an integer number (5724225).

Almost surely, 2^74854485 is an apocalyptic number.

It is an amenable number.

74854485 is a deficient number, since it is larger than the sum of its proper divisors (62526915).

74854485 is a wasteful number, since it uses less digits than its factorization.

74854485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97877 (or 97874 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 74854485 is about 8651.8486463877. The cubic root of 74854485 is about 421.4434180622.

The spelling of 74854485 in words is "seventy-four million, eight hundred fifty-four thousand, four hundred eighty-five".