75607720 has 16 divisors (see below), whose sum is σ = 170117460. Its totient is φ = 30243072.

The previous prime is 75607711. The next prime is 75607723. The reversal of 75607720 is 2770657.

It can be written as a sum of positive squares in 2 ways, for example, as 71944324 + 3663396 = 8482^2 + 1914^2 .

It is not an unprimeable number, because it can be changed into a prime (75607723) by changing a digit.

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, 945057 + ... + 945136.

Almost surely, 2^75607720 is an apocalyptic number.

It is an amenable number.

75607720 is an abundant number, since it is smaller than the sum of its proper divisors (94509740).

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

75607720 is a wasteful number, since it uses less digits than its factorization.

75607720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890204 (or 1890200 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 75607720 is about 8695.2699785573. The cubic root of 75607720 is about 422.8523163298.

The spelling of 75607720 in words is "seventy-five million, six hundred seven thousand, seven hundred twenty".