76245140 has 12 divisors (see below), whose sum is σ = 160114836. Its totient is φ = 30498048.

The previous prime is 76245137. The next prime is 76245163. The reversal of 76245140 is 4154267.

It can be written as a sum of positive squares in 2 ways, for example, as 36529936 + 39715204 = 6044^2 + 6302^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906109 + ... + 1906148.

It is an arithmetic number, because the mean of its divisors is an integer number (13342903).

Almost surely, 2^76245140 is an apocalyptic number.

It is an amenable number.

76245140 is an abundant number, since it is smaller than the sum of its proper divisors (83869696).

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

76245140 is a wasteful number, since it uses less digits than its factorization.

76245140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812266 (or 3812264 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 76245140 is about 8731.8463110616. The cubic root of 76245140 is about 424.0372949869.

The spelling of 76245140 in words is "seventy-six million, two hundred forty-five thousand, one hundred forty".