75750745 has 8 divisors (see below), whose sum is σ = 103886784. Its totient is φ = 51943344.

The previous prime is 75750709. The next prime is 75750751. The reversal of 75750745 is 54705757.

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

It is a cyclic number.

It is not a de Polignac number, because 75750745 - 2⁷ = 75750617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75750698 and 75750707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082119 + ... + 1082188.

It is an arithmetic number, because the mean of its divisors is an integer number (12985848).

Almost surely, 2^75750745 is an apocalyptic number.

It is an amenable number.

75750745 is a deficient number, since it is larger than the sum of its proper divisors (28136039).

75750745 is a wasteful number, since it uses less digits than its factorization.

75750745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164319.

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 75750745 is about 8703.4903917911. The cubic root of 75750745 is about 423.1187809953.

The spelling of 75750745 in words is "seventy-five million, seven hundred fifty thousand, seven hundred forty-five".