74089485 has 72 divisors (see below), whose sum is σ = 142143456. Its totient is φ = 37013760.

The previous prime is 74089481. The next prime is 74089487. The reversal of 74089485 is 58498047.

It is not a de Polignac number, because 74089485 - 2² = 74089481 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74089485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74089481) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 351030 + ... + 351240.

Almost surely, 2^74089485 is an apocalyptic number.

It is an amenable number.

74089485 is a deficient number, since it is larger than the sum of its proper divisors (68053971).

74089485 is a wasteful number, since it uses less digits than its factorization.

74089485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 74089485 is about 8607.5249055695. The cubic root of 74089485 is about 420.0028061037.

The spelling of 74089485 in words is "seventy-four million, eighty-nine thousand, four hundred eighty-five".