7507923225 has 24 divisors (see below), whose sum is σ = 13541564832. Its totient is φ = 3640204800.

The previous prime is 7507923179. The next prime is 7507923229. The reversal of 7507923225 is 5223297057.

It is not a de Polignac number, because 7507923225 - 2¹⁷ = 7507792153 is a prime.

It is a super-2 number, since 2×7507923225² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7507923229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4549432 + ... + 4551081.

It is an arithmetic number, because the mean of its divisors is an integer number (564231868).

Almost surely, 2^7507923225 is an apocalyptic number.

7507923225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7507923225 is a deficient number, since it is larger than the sum of its proper divisors (6033641607).

7507923225 is a wasteful number, since it uses less digits than its factorization.

7507923225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100537 (or 9100532 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 7507923225 is about 86648.2730641529. The cubic root of 7507923225 is about 1958.1228752657.

The spelling of 7507923225 in words is "seven billion, five hundred seven million, nine hundred twenty-three thousand, two hundred twenty-five".