76616730 has 24 divisors (see below), whose sum is σ = 199203732. Its totient is φ = 20431104.

The previous prime is 76616699. The next prime is 76616731. The reversal of 76616730 is 3761667.

76616730 is a `hidden beast` number, since 7 + 6 + 616 + 7 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70006689 + 6610041 = 8367^2 + 2571^2 .

It is not an unprimeable number, because it can be changed into a prime (76616731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425559 + ... + 425738.

Almost surely, 2^76616730 is an apocalyptic number.

76616730 is an abundant number, since it is smaller than the sum of its proper divisors (122587002).

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

76616730 is a wasteful number, since it uses less digits than its factorization.

76616730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851310 (or 851307 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 76616730 is about 8753.0983085991. The cubic root of 76616730 is about 424.7250447618.

The spelling of 76616730 in words is "seventy-six million, six hundred sixteen thousand, seven hundred thirty".