72073752 has 16 divisors (see below), whose sum is σ = 180184440. Its totient is φ = 24024576.

The previous prime is 72073739. The next prime is 72073763. The reversal of 72073752 is 25737027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501513 + ... + 1501560.

Almost surely, 2^72073752 is an apocalyptic number.

It is an amenable number.

72073752 is an abundant number, since it is smaller than the sum of its proper divisors (108110688).

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

72073752 is a wasteful number, since it uses less digits than its factorization.

72073752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003082 (or 3003078 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 72073752 is about 8489.6261401784. The cubic root of 72073752 is about 416.1587627500.

The spelling of 72073752 in words is "seventy-two million, seventy-three thousand, seven hundred fifty-two".