7665730546 has 4 divisors (see below), whose sum is σ = 11498595822. Its totient is φ = 3832865272.

The previous prime is 7665730543. The next prime is 7665730547. The reversal of 7665730546 is 6450375667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5219340025 + 2446390521 = 72245^2 + 49461^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7665730546.

It is not an unprimeable number, because it can be changed into a prime (7665730543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1916432635 + ... + 1916432638.

Almost surely, 2^7665730546 is an apocalyptic number.

7665730546 is a deficient number, since it is larger than the sum of its proper divisors (3832865276).

7665730546 is a wasteful number, since it uses less digits than its factorization.

7665730546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832865275.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The square root of 7665730546 is about 87554.1577881942. The cubic root of 7665730546 is about 1971.7469748267.

The spelling of 7665730546 in words is "seven billion, six hundred sixty-five million, seven hundred thirty thousand, five hundred forty-six".