25740030970 has 16 divisors (see below), whose sum is σ = 46338436008. Its totient is φ = 10294594560.

The previous prime is 25740030961. The next prime is 25740030977. The reversal of 25740030970 is 7903004752.

It is a Cunningham number, because it is equal to 160437²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 20972542761 + 4767488209 = 144819^2 + 69047^2 .

It is a super-4 number, since 4×25740030970⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (25740030977) 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, 99351 + ... + 247690.

Almost surely, 2^25740030970 is an apocalyptic number.

25740030970 is a deficient number, since it is larger than the sum of its proper divisors (20598405038).

25740030970 is a wasteful number, since it uses less digits than its factorization.

25740030970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354465.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 25740030970 in words is "twenty-five billion, seven hundred forty million, thirty thousand, nine hundred seventy".