7770130 has 8 divisors (see below), whose sum is σ = 13986252. Its totient is φ = 3108048.

The previous prime is 7770121. The next prime is 7770131. The reversal of 7770130 is 310777.

It can be written as a sum of positive squares in 2 ways, for example, as 7513081 + 257049 = 2741^2 + 507^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7770095 and 7770104.

It is not an unprimeable number, because it can be changed into a prime (7770131) 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, 388497 + ... + 388516.

Almost surely, 2^7770130 is an apocalyptic number.

7770130 is a deficient number, since it is larger than the sum of its proper divisors (6216122).

7770130 is a wasteful number, since it uses less digits than its factorization.

7770130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777020.

The product of its (nonzero) digits is 1029, while the sum is 25.

The square root of 7770130 is about 2787.4952914758. The cubic root of 7770130 is about 198.0657707563.

It can be divided in two parts, 77 and 70130, that added together give a palindrome (70207).

The spelling of 7770130 in words is "seven million, seven hundred seventy thousand, one hundred thirty".