75054890 has 16 divisors (see below), whose sum is σ = 137648808. Its totient is φ = 29455296.

The previous prime is 75054869. The next prime is 75054899. The reversal of 75054890 is 9845057.

It can be written as a sum of positive squares in 4 ways, for example, as 64368529 + 10686361 = 8023^2 + 3269^2 .

It is not an unprimeable number, because it can be changed into a prime (75054899) 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, 70277 + ... + 71336.

Almost surely, 2^75054890 is an apocalyptic number.

75054890 is a deficient number, since it is larger than the sum of its proper divisors (62593918).

75054890 is a wasteful number, since it uses less digits than its factorization.

75054890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141673.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 75054890 is about 8663.4225338488. The cubic root of 75054890 is about 421.8191876051.

The spelling of 75054890 in words is "seventy-five million, fifty-four thousand, eight hundred ninety".