75918730 has 8 divisors (see below), whose sum is σ = 136653732. Its totient is φ = 30367488.

The previous prime is 75918727. The next prime is 75918743. The reversal of 75918730 is 3781957.

It can be written as a sum of positive squares in 2 ways, for example, as 74528689 + 1390041 = 8633^2 + 1179^2 .

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

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, 3795927 + ... + 3795946.

Almost surely, 2^75918730 is an apocalyptic number.

75918730 is a deficient number, since it is larger than the sum of its proper divisors (60735002).

75918730 is a wasteful number, since it uses less digits than its factorization.

75918730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591880.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 75918730 is about 8713.1354861496. The cubic root of 75918730 is about 423.4313197584.

The spelling of 75918730 in words is "seventy-five million, nine hundred eighteen thousand, seven hundred thirty".