75143090 has 16 divisors (see below), whose sum is σ = 147553920. Its totient is φ = 27324720.

The previous prime is 75143051. The next prime is 75143099. The reversal of 75143090 is 9034157.

It is not an unprimeable number, because it can be changed into a prime (75143099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341450 + ... + 341669.

It is an arithmetic number, because the mean of its divisors is an integer number (9222120).

Almost surely, 2^75143090 is an apocalyptic number.

75143090 is a deficient number, since it is larger than the sum of its proper divisors (72410830).

75143090 is a wasteful number, since it uses less digits than its factorization.

75143090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683137.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 75143090 is about 8668.5114062335. The cubic root of 75143090 is about 421.9843551173.

The spelling of 75143090 in words is "seventy-five million, one hundred forty-three thousand, ninety".