28373701 has 2 divisors, whose sum is σ = 28373702. Its totient is φ = 28373700.

The previous prime is 28373699. The next prime is 28373717. The reversal of 28373701 is 10737382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26936100 + 1437601 = 5190^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 28373701 - 2¹ = 28373699 is a prime.

Together with 28373699, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28373771) 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, 14186850 + 14186851.

It is an arithmetic number, because the mean of its divisors is an integer number (14186851).

Almost surely, 2^28373701 is an apocalyptic number.

It is an amenable number.

28373701 is a deficient number, since it is larger than the sum of its proper divisors (1).

28373701 is an equidigital number, since it uses as much as digits as its factorization.

28373701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 28373701 is about 5326.6970065886. The cubic root of 28373701 is about 305.0038555456.

It can be divided in two parts, 283 and 73701, that added together give a square (73984 = 272²).

The spelling of 28373701 in words is "twenty-eight million, three hundred seventy-three thousand, seven hundred one".