73259972 has 24 divisors (see below), whose sum is σ = 135488640. Its totient is φ = 34564320.

The previous prime is 73259957. The next prime is 73259993. The reversal of 73259972 is 27995237.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 18818 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (5645360).

Almost surely, 2^73259972 is an apocalyptic number.

It is an amenable number.

73259972 is a deficient number, since it is larger than the sum of its proper divisors (62228668).

73259972 is a wasteful number, since it uses less digits than its factorization.

73259972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851 (or 3849 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The square root of 73259972 is about 8559.2039349463. The cubic root of 73259972 is about 418.4294556803.

The spelling of 73259972 in words is "seventy-three million, two hundred fifty-nine thousand, nine hundred seventy-two".