75790090 has 12 divisors (see below), whose sum is σ = 136471734. Its totient is φ = 30305024.

The previous prime is 75790087. The next prime is 75790093. The reversal of 75790090 is 9009757.

It is an interprime number because it is at equal distance from previous prime (75790087) and next prime (75790093).

It can be written as a sum of positive squares in 3 ways, for example, as 75568249 + 221841 = 8693^2 + 471^2 .

It is not an unprimeable number, because it can be changed into a prime (75790093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26154 + ... + 28906.

Almost surely, 2^75790090 is an apocalyptic number.

75790090 is a deficient number, since it is larger than the sum of its proper divisors (60681644).

75790090 is an frugal number, since it uses more digits than its factorization.

75790090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 75790090 is about 8705.7503984435. The cubic root of 75790090 is about 423.1920243982.

The spelling of 75790090 in words is "seventy-five million, seven hundred ninety thousand, ninety".