75790730 has 8 divisors (see below), whose sum is σ = 136423332. Its totient is φ = 30316288.

The previous prime is 75790711. The next prime is 75790747. The reversal of 75790730 is 3709757.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68343289 + 7447441 = 8267^2 + 2729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 3789527 + ... + 3789546.

Almost surely, 2^75790730 is an apocalyptic number.

75790730 is a deficient number, since it is larger than the sum of its proper divisors (60632602).

75790730 is a wasteful number, since it uses less digits than its factorization.

75790730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579080.

The product of its (nonzero) digits is 46305, while the sum is 38.

The square root of 75790730 is about 8705.7871556798. The cubic root of 75790730 is about 423.1932155923.

The spelling of 75790730 in words is "seventy-five million, seven hundred ninety thousand, seven hundred thirty".