75073750 has 80 divisors (see below), whose sum is σ = 154638000. Its totient is φ = 27216000.

The previous prime is 75073741. The next prime is 75073759. The reversal of 75073750 is 5737057.

It is an interprime number because it is at equal distance from previous prime (75073741) and next prime (75073759).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75073759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 688696 + ... + 688804.

It is an arithmetic number, because the mean of its divisors is an integer number (1932975).

Almost surely, 2^75073750 is an apocalyptic number.

75073750 is an abundant number, since it is smaller than the sum of its proper divisors (79564250).

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

75073750 is a wasteful number, since it uses less digits than its factorization.

75073750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 25725, while the sum is 34.

The square root of 75073750 is about 8664.5109498459. The cubic root of 75073750 is about 421.8545166095.

The spelling of 75073750 in words is "seventy-five million, seventy-three thousand, seven hundred fifty".