73243746 has 24 divisors (see below), whose sum is σ = 167047920. Its totient is φ = 23129496.

The previous prime is 73243739. The next prime is 73243759. The reversal of 73243746 is 64734237.

It is a happy number.

It is a super-2 number, since 2×73243746² = 10729292656225032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73243746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106740 + ... + 107423.

It is an arithmetic number, because the mean of its divisors is an integer number (6960330).

Almost surely, 2^73243746 is an apocalyptic number.

73243746 is an abundant number, since it is smaller than the sum of its proper divisors (93804174).

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

73243746 is a wasteful number, since it uses less digits than its factorization.

73243746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214190 (or 214187 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 73243746 is about 8558.2560139318. The cubic root of 73243746 is about 418.3985614212.

The spelling of 73243746 in words is "seventy-three million, two hundred forty-three thousand, seven hundred forty-six".