28607067 has 16 divisors (see below), whose sum is σ = 43284480. Its totient is φ = 18664776.

The previous prime is 28607063. The next prime is 28607071. The reversal of 28607067 is 76070682.

28607067 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (28607063) and next prime (28607071).

It is not a de Polignac number, because 28607067 - 2² = 28607063 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28607063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10003 + ... + 12540.

It is an arithmetic number, because the mean of its divisors is an integer number (2705280).

Almost surely, 2^28607067 is an apocalyptic number.

28607067 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28607067 is a deficient number, since it is larger than the sum of its proper divisors (14677413).

28607067 is a wasteful number, since it uses less digits than its factorization.

28607067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22599 (or 22593 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 28607067 is about 5348.5574690752. The cubic root of 28607067 is about 305.8377648279.

The spelling of 28607067 in words is "twenty-eight million, six hundred seven thousand, sixty-seven".