7730564390 has 32 divisors (see below), whose sum is σ = 14823889920. Its totient is φ = 2894176224.

The previous prime is 7730564353. The next prime is 7730564399. The reversal of 7730564390 is 934650377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7730564399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229334 + ... + 260873.

It is an arithmetic number, because the mean of its divisors is an integer number (463246560).

Almost surely, 2^7730564390 is an apocalyptic number.

7730564390 is a deficient number, since it is larger than the sum of its proper divisors (7093325530).

7730564390 is a wasteful number, since it uses less digits than its factorization.

7730564390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490316.

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 7730564390 is about 87923.6281667221. The cubic root of 7730564390 is about 1977.2901396491.

The spelling of 7730564390 in words is "seven billion, seven hundred thirty million, five hundred sixty-four thousand, three hundred ninety".