25378738 has 32 divisors (see below), whose sum is σ = 47738880. Its totient is φ = 9830160.

The previous prime is 25378733. The next prime is 25378747. The reversal of 25378738 is 83787352.

It is a junction number, because it is equal to n+sod(n) for n = 25378694 and 25378703.

It is not an unprimeable number, because it can be changed into a prime (25378733) 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, 33973 + ... + 34711.

It is an arithmetic number, because the mean of its divisors is an integer number (1491840).

Almost surely, 2^25378738 is an apocalyptic number.

25378738 is a deficient number, since it is larger than the sum of its proper divisors (22360142).

25378738 is a wasteful number, since it uses less digits than its factorization.

25378738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its digits is 282240, while the sum is 43.

The square root of 25378738 is about 5037.7314338897. The cubic root of 25378738 is about 293.8709616211.

The spelling of 25378738 in words is "twenty-five million, three hundred seventy-eight thousand, seven hundred thirty-eight".