25729030 has 16 divisors (see below), whose sum is σ = 46466784. Its totient is φ = 10257280.

The previous prime is 25728991. The next prime is 25729031. The reversal of 25729030 is 3092752.

It is a self number, because there is not a number n which added to its sum of digits gives 25729030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25729031) 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, 1027 + ... + 7246.

It is an arithmetic number, because the mean of its divisors is an integer number (2904174).

Almost surely, 2^25729030 is an apocalyptic number.

25729030 is a deficient number, since it is larger than the sum of its proper divisors (20737754).

25729030 is a wasteful number, since it uses less digits than its factorization.

25729030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 25729030 is about 5072.3791262089. The cubic root of 25729030 is about 295.2168471693.

The spelling of 25729030 in words is "twenty-five million, seven hundred twenty-nine thousand, thirty".