75998290 has 32 divisors (see below), whose sum is σ = 146733120. Its totient is φ = 28252224.

The previous prime is 75998231. The next prime is 75998317. The reversal of 75998290 is 9289957.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6297 + ... + 13843.

It is an arithmetic number, because the mean of its divisors is an integer number (4585410).

Almost surely, 2^75998290 is an apocalyptic number.

75998290 is a deficient number, since it is larger than the sum of its proper divisors (70734830).

75998290 is a wasteful number, since it uses less digits than its factorization.

75998290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 75998290 is about 8717.6998113034. The cubic root of 75998290 is about 423.5791815340.

The spelling of 75998290 in words is "seventy-five million, nine hundred ninety-eight thousand, two hundred ninety".