76648340 has 12 divisors (see below), whose sum is σ = 160961556. Its totient is φ = 30659328.

The previous prime is 76648307. The next prime is 76648357. The reversal of 76648340 is 4384667.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40094224 + 36554116 = 6332^2 + 6046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76648294 and 76648303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916189 + ... + 1916228.

It is an arithmetic number, because the mean of its divisors is an integer number (13413463).

Almost surely, 2^76648340 is an apocalyptic number.

It is an amenable number.

76648340 is an abundant number, since it is smaller than the sum of its proper divisors (84313216).

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

76648340 is a wasteful number, since it uses less digits than its factorization.

76648340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832426 (or 3832424 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 76648340 is about 8754.9037687458. The cubic root of 76648340 is about 424.7834467703.

The spelling of 76648340 in words is "seventy-six million, six hundred forty-eight thousand, three hundred forty".