73981485 has 32 divisors (see below), whose sum is σ = 133342080. Its totient is φ = 38911104.

The previous prime is 73981477. The next prime is 73981487. The reversal of 73981485 is 58418937.

It is not a de Polignac number, because 73981485 - 2³ = 73981477 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 73981485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73981487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6102 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (4166940).

Almost surely, 2^73981485 is an apocalyptic number.

It is an amenable number.

73981485 is a deficient number, since it is larger than the sum of its proper divisors (59360595).

73981485 is a wasteful number, since it uses less digits than its factorization.

73981485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594 (or 7588 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 73981485 is about 8601.2490372038. The cubic root of 73981485 is about 419.7986279559.

The spelling of 73981485 in words is "seventy-three million, nine hundred eighty-one thousand, four hundred eighty-five".