28745702 has 8 divisors (see below), whose sum is σ = 43383576. Its totient is φ = 14284512.

The previous prime is 28745687. The next prime is 28745729. The reversal of 28745702 is 20754782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43763 + ... + 44414.

It is an arithmetic number, because the mean of its divisors is an integer number (5422947).

Almost surely, 2^28745702 is an apocalyptic number.

28745702 is a deficient number, since it is larger than the sum of its proper divisors (14637874).

28745702 is a wasteful number, since it uses less digits than its factorization.

28745702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88342.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 28745702 is about 5361.5018418350. The cubic root of 28745702 is about 306.3310171881.

The spelling of 28745702 in words is "twenty-eight million, seven hundred forty-five thousand, seven hundred two".