75159090 has 40 divisors (see below), whose sum is σ = 202096620. Its totient is φ = 20042208.

The previous prime is 75159089. The next prime is 75159143. The reversal of 75159090 is 9095157.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67223601 + 7935489 = 8199^2 + 2817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45585 + ... + 47204.

Almost surely, 2^75159090 is an apocalyptic number.

75159090 is an abundant number, since it is smaller than the sum of its proper divisors (126937530).

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

75159090 is a wasteful number, since it uses less digits than its factorization.

75159090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92808 (or 92799 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The square root of 75159090 is about 8669.4342375959. The cubic root of 75159090 is about 422.0143036263.

The spelling of 75159090 in words is "seventy-five million, one hundred fifty-nine thousand, ninety".