75040785 has 24 divisors (see below), whose sum is σ = 136918080. Its totient is φ = 37914912.

The previous prime is 75040759. The next prime is 75040787. The reversal of 75040785 is 58704057.

It is not a de Polignac number, because 75040785 - 2⁷ = 75040657 is a prime.

It is a super-2 number, since 2×75040785² = 11262238826832450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75040787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43029 + ... + 44738.

It is an arithmetic number, because the mean of its divisors is an integer number (5704920).

Almost surely, 2^75040785 is an apocalyptic number.

It is an amenable number.

75040785 is a deficient number, since it is larger than the sum of its proper divisors (61877295).

75040785 is a wasteful number, since it uses less digits than its factorization.

75040785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87797 (or 87794 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 75040785 is about 8662.6084408797. The cubic root of 75040785 is about 421.7927619124.

The spelling of 75040785 in words is "seventy-five million, forty thousand, seven hundred eighty-five".