25428070 has 16 divisors (see below), whose sum is σ = 47349360. Its totient is φ = 9820384.

The previous prime is 25428049. The next prime is 25428071. The reversal of 25428070 is 7082452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25428071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43552 + ... + 44131.

It is an arithmetic number, because the mean of its divisors is an integer number (2959335).

Almost surely, 2^25428070 is an apocalyptic number.

25428070 is a deficient number, since it is larger than the sum of its proper divisors (21921290).

25428070 is a wasteful number, since it uses less digits than its factorization.

25428070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87719.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 25428070 is about 5042.6253083092. The cubic root of 25428070 is about 294.0612502925.

The spelling of 25428070 in words is "twenty-five million, four hundred twenty-eight thousand, seventy".