100772318 has 4 divisors (see below), whose sum is σ = 151158480. Its totient is φ = 50386158.

The previous prime is 100772317. The next prime is 100772363. The reversal of 100772318 is 813277001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 813277001 = 20857 ⋅38993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100772317) 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 as a sum of consecutive naturals, namely, 25193078 + ... + 25193081.

It is an arithmetic number, because the mean of its divisors is an integer number (37789620).

Almost surely, 2^100772318 is an apocalyptic number.

100772318 is a deficient number, since it is larger than the sum of its proper divisors (50386162).

100772318 is an equidigital number, since it uses as much as digits as its factorization.

100772318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50386161.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 100772318 is about 10038.5416271488. The cubic root of 100772318 is about 465.3507478141.

The spelling of 100772318 in words is "one hundred million, seven hundred seventy-two thousand, three hundred eighteen".