73007272 has 32 divisors (see below), whose sum is σ = 155181600. Its totient is φ = 31921344.

The previous prime is 73007257. The next prime is 73007273. The reversal of 73007272 is 27270037.

It is a self number, because there is not a number n which added to its sum of digits gives 73007272.

It is not an unprimeable number, because it can be changed into a prime (73007273) 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, 16498 + ... + 20449.

It is an arithmetic number, because the mean of its divisors is an integer number (4849425).

Almost surely, 2^73007272 is an apocalyptic number.

It is an amenable number.

73007272 is an abundant number, since it is smaller than the sum of its proper divisors (82174328).

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

73007272 is a wasteful number, since it uses less digits than its factorization.

73007272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36985 (or 36981 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 73007272 is about 8544.4292963310. The cubic root of 73007272 is about 417.9477968735.

The spelling of 73007272 in words is "seventy-three million, seven thousand, two hundred seventy-two".