73268040 has 32 divisors (see below), whose sum is σ = 219804480. Its totient is φ = 19538112.

The previous prime is 73268033. The next prime is 73268053. The reversal of 73268040 is 4086237.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 73267989 and 73268007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305164 + ... + 305403.

It is an arithmetic number, because the mean of its divisors is an integer number (6868890).

Almost surely, 2^73268040 is an apocalyptic number.

It is an amenable number.

73268040 is an abundant number, since it is smaller than the sum of its proper divisors (146536440).

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

73268040 is a wasteful number, since it uses less digits than its factorization.

73268040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610581 (or 610577 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 73268040 is about 8559.6752274838. The cubic root of 73268040 is about 418.4448154319. Note that the first 3 decimals are identical.

The spelling of 73268040 in words is "seventy-three million, two hundred sixty-eight thousand, forty".