25434702574 has 8 divisors (see below), whose sum is σ = 38168288928. Its totient is φ = 12711939600.

The previous prime is 25434702547. The next prime is 25434702577. The reversal of 25434702574 is 47520743452.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25434702574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25434702577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2699967 + ... + 2709370.

It is an arithmetic number, because the mean of its divisors is an integer number (4771036116).

Almost surely, 2^25434702574 is an apocalyptic number.

25434702574 is a deficient number, since it is larger than the sum of its proper divisors (12733586354).

25434702574 is a wasteful number, since it uses less digits than its factorization.

25434702574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411690.

The product of its (nonzero) digits is 940800, while the sum is 43.

The spelling of 25434702574 in words is "twenty-five billion, four hundred thirty-four million, seven hundred two thousand, five hundred seventy-four".