73820285 has 24 divisors (see below), whose sum is σ = 111285888. Its totient is φ = 46015200.

The previous prime is 73820281. The next prime is 73820297. The reversal of 73820285 is 58202837.

It is a happy number.

It is not a de Polignac number, because 73820285 - 2² = 73820281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73820281) 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, 4481 + ... + 12950.

It is an arithmetic number, because the mean of its divisors is an integer number (4636912).

Almost surely, 2^73820285 is an apocalyptic number.

It is an amenable number.

73820285 is a deficient number, since it is larger than the sum of its proper divisors (37465603).

73820285 is a wasteful number, since it uses less digits than its factorization.

73820285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17465 (or 17454 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 73820285 is about 8591.8731950606. The cubic root of 73820285 is about 419.4935031950.

The spelling of 73820285 in words is "seventy-three million, eight hundred twenty thousand, two hundred eighty-five".