74231485 has 4 divisors (see below), whose sum is σ = 89077788. Its totient is φ = 59385184.

The previous prime is 74231477. The next prime is 74231491. The reversal of 74231485 is 58413247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41718681 + 32512804 = 6459^2 + 5702^2 .

It is a cyclic number.

It is not a de Polignac number, because 74231485 - 2³ = 74231477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74231485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7423144 + ... + 7423153.

It is an arithmetic number, because the mean of its divisors is an integer number (22269447).

Almost surely, 2^74231485 is an apocalyptic number.

It is an amenable number.

74231485 is a deficient number, since it is larger than the sum of its proper divisors (14846303).

74231485 is a wasteful number, since it uses less digits than its factorization.

74231485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14846302.

The product of its digits is 26880, while the sum is 34.

The square root of 74231485 is about 8615.7695535570. The cubic root of 74231485 is about 420.2709608299.

The spelling of 74231485 in words is "seventy-four million, two hundred thirty-one thousand, four hundred eighty-five".