28000761 has 8 divisors (see below), whose sum is σ = 37381344. Its totient is φ = 18643680.

The previous prime is 28000757. The next prime is 28000771. The reversal of 28000761 is 16700082.

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

It is not a de Polignac number, because 28000761 - 2² = 28000757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28000741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2875 + ... + 8016.

It is an arithmetic number, because the mean of its divisors is an integer number (4672668).

Almost surely, 2^28000761 is an apocalyptic number.

It is an amenable number.

28000761 is a deficient number, since it is larger than the sum of its proper divisors (9380583).

28000761 is a wasteful number, since it uses less digits than its factorization.

28000761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11751.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 28000761 is about 5291.5745293816. The cubic root of 28000761 is about 303.6616481677.

The spelling of 28000761 in words is "twenty-eight million, seven hundred sixty-one", and thus it is an aban number.