772518130 has 8 divisors (see below), whose sum is σ = 1390532652. Its totient is φ = 309007248.

The previous prime is 772518121. The next prime is 772518133. The reversal of 772518130 is 31815277.

772518130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 732081249 + 40436881 = 27057^2 + 6359^2 .

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

It is a super-2 number, since 2×772518130² = 1193568522357393800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (772518133) 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, 38625897 + ... + 38625916.

Almost surely, 2^772518130 is an apocalyptic number.

772518130 is a deficient number, since it is larger than the sum of its proper divisors (618014522).

772518130 is a wasteful number, since it uses less digits than its factorization.

772518130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77251820.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 772518130 is about 27794.2103683483. The cubic root of 772518130 is about 917.5637060503.

The spelling of 772518130 in words is "seven hundred seventy-two million, five hundred eighteen thousand, one hundred thirty".