28740079 has 2 divisors, whose sum is σ = 28740080. Its totient is φ = 28740078.

The previous prime is 28740067. The next prime is 28740091. The reversal of 28740079 is 97004782.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (28740067) and next prime (28740091).

It is a cyclic number.

It is not a de Polignac number, because 28740079 - 2¹⁹ = 28215791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28740029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14370039 + 14370040.

It is an arithmetic number, because the mean of its divisors is an integer number (14370040).

Almost surely, 2^28740079 is an apocalyptic number.

28740079 is a deficient number, since it is larger than the sum of its proper divisors (1).

28740079 is an equidigital number, since it uses as much as digits as its factorization.

28740079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 28740079 is about 5360.9774295365. The cubic root of 28740079 is about 306.3110418931.

The spelling of 28740079 in words is "twenty-eight million, seven hundred forty thousand, seventy-nine".