73289420 has 24 divisors (see below), whose sum is σ = 155324400. Its totient is φ = 29045952.

The previous prime is 73289401. The next prime is 73289423. The reversal of 73289420 is 2498237.

It is not an unprimeable number, because it can be changed into a prime (73289423) 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, 14630 + ... + 18989.

It is an arithmetic number, because the mean of its divisors is an integer number (6471850).

Almost surely, 2^73289420 is an apocalyptic number.

It is an amenable number.

73289420 is an abundant number, since it is smaller than the sum of its proper divisors (82034980).

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

73289420 is a wasteful number, since it uses less digits than its factorization.

73289420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33737 (or 33735 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 73289420 is about 8560.9240155488. The cubic root of 73289420 is about 418.4855129407.

The spelling of 73289420 in words is "seventy-three million, two hundred eighty-nine thousand, four hundred twenty".