73865380 has 24 divisors (see below), whose sum is σ = 155538432. Its totient is φ = 29465952.

The previous prime is 73865371. The next prime is 73865383. The reversal of 73865380 is 8356837.

It is not an unprimeable number, because it can be changed into a prime (73865383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2839 + ... + 12481.

It is an arithmetic number, because the mean of its divisors is an integer number (6480768).

Almost surely, 2^73865380 is an apocalyptic number.

It is an amenable number.

73865380 is an abundant number, since it is smaller than the sum of its proper divisors (81673052).

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

73865380 is a wasteful number, since it uses less digits than its factorization.

73865380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035 (or 10033 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 73865380 is about 8594.4970766183. The cubic root of 73865380 is about 419.5789052352.

The spelling of 73865380 in words is "seventy-three million, eight hundred sixty-five thousand, three hundred eighty".