7649255810 has 32 divisors (see below), whose sum is σ = 16101562752. Its totient is φ = 2561610240.

The previous prime is 7649255759. The next prime is 7649255813. The reversal of 7649255810 is 185529467.

It is a happy number.

It is a super-2 number, since 2×7649255810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7649255813) 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 15 ways as a sum of consecutive naturals, for example, 1267631 + ... + 1273650.

It is an arithmetic number, because the mean of its divisors is an integer number (503173836).

Almost surely, 2^7649255810 is an apocalyptic number.

7649255810 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7649255810 is an abundant number, since it is smaller than the sum of its proper divisors (8452306942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7649255810 is a wasteful number, since it uses less digits than its factorization.

7649255810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541338.

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 7649255810 is about 87460.0240681421. The cubic root of 7649255810 is about 1970.3334409434. Note that the first 3 decimals are identical.

The spelling of 7649255810 in words is "seven billion, six hundred forty-nine million, two hundred fifty-five thousand, eight hundred ten".