7725500426 has 24 divisors (see below), whose sum is σ = 13485114720. Its totient is φ = 3309724152.

The previous prime is 7725500423. The next prime is 7725500437. The reversal of 7725500426 is 6240055277.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7725500426.

It is not an unprimeable number, because it can be changed into a prime (7725500423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288941 + ... + 314543.

It is an arithmetic number, because the mean of its divisors is an integer number (561879780).

Almost surely, 2^7725500426 is an apocalyptic number.

7725500426 is a deficient number, since it is larger than the sum of its proper divisors (5759614294).

7725500426 is a wasteful number, since it uses less digits than its factorization.

7725500426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28698 (or 28691 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 7725500426 is about 87894.8259341811. The cubic root of 7725500426 is about 1976.8582991123.

The spelling of 7725500426 in words is "seven billion, seven hundred twenty-five million, five hundred thousand, four hundred twenty-six".