73009782 has 32 divisors (see below), whose sum is σ = 164475360. Its totient is φ = 24001920.

The previous prime is 73009771. The next prime is 73009787. The reversal of 73009782 is 28790037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73009787) 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, 5319 + ... + 13202.

It is an arithmetic number, because the mean of its divisors is an integer number (5139855).

Almost surely, 2^73009782 is an apocalyptic number.

73009782 is an abundant number, since it is smaller than the sum of its proper divisors (91465578).

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

73009782 is a wasteful number, since it uses less digits than its factorization.

73009782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18605 (or 18599 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 73009782 is about 8544.5761743927. The cubic root of 73009782 is about 417.9525865194.

The spelling of 73009782 in words is "seventy-three million, nine thousand, seven hundred eighty-two".