73289860 has 48 divisors (see below), whose sum is σ = 176512896. Its totient is φ = 25039872.

The previous prime is 73289851. The next prime is 73289863. The reversal of 73289860 is 6898237.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73289863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48679 + ... + 50161.

It is an arithmetic number, because the mean of its divisors is an integer number (3677352).

Almost surely, 2^73289860 is an apocalyptic number.

73289860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73289860 is an abundant number, since it is smaller than the sum of its proper divisors (103223036).

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

73289860 is a wasteful number, since it uses less digits than its factorization.

73289860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 73289860 is about 8560.9497136708. The cubic root of 73289860 is about 418.4863504115.

The spelling of 73289860 in words is "seventy-three million, two hundred eighty-nine thousand, eight hundred sixty".