28572607 has 8 divisors (see below), whose sum is σ = 33708032. Its totient is φ = 23700600.

The previous prime is 28572589. The next prime is 28572617. The reversal of 28572607 is 70627582.

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

It is a de Polignac number, because none of the positive numbers 2^k-28572607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28572617) 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, 65619 + ... + 66052.

It is an arithmetic number, because the mean of its divisors is an integer number (4213504).

Almost surely, 2^28572607 is an apocalyptic number.

28572607 is a deficient number, since it is larger than the sum of its proper divisors (5135425).

28572607 is a wasteful number, since it uses less digits than its factorization.

28572607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131709.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 28572607 is about 5345.3350690111. The cubic root of 28572607 is about 305.7149116878.

The spelling of 28572607 in words is "twenty-eight million, five hundred seventy-two thousand, six hundred seven".