72772750 has 32 divisors (see below), whose sum is σ = 144252576. Its totient is φ = 27395200.

The previous prime is 72772741. The next prime is 72772757. The reversal of 72772750 is 5727727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72772757) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4312 + ... + 12811.

It is an arithmetic number, because the mean of its divisors is an integer number (4507893).

Almost surely, 2^72772750 is an apocalyptic number.

72772750 is a deficient number, since it is larger than the sum of its proper divisors (71479826).

72772750 is a wasteful number, since it uses less digits than its factorization.

72772750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17157 (or 17147 counting only the distinct ones).

The product of its (nonzero) digits is 48020, while the sum is 37.

The square root of 72772750 is about 8530.6945789895. The cubic root of 72772750 is about 417.4997908374.

The spelling of 72772750 in words is "seventy-two million, seven hundred seventy-two thousand, seven hundred fifty".