73485020 has 24 divisors (see below), whose sum is σ = 176364384. Its totient is φ = 25194816.

The previous prime is 73485007. The next prime is 73485029. The reversal of 73485020 is 2058437.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73485029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262307 + ... + 262586.

It is an arithmetic number, because the mean of its divisors is an integer number (7348516).

Almost surely, 2^73485020 is an apocalyptic number.

73485020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73485020 is an abundant number, since it is smaller than the sum of its proper divisors (102879364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73485020 is a wasteful number, since it uses less digits than its factorization.

73485020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524909 (or 524907 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 73485020 is about 8572.3404038804. The cubic root of 73485020 is about 418.8574768307.

The spelling of 73485020 in words is "seventy-three million, four hundred eighty-five thousand, twenty".