75490788 has 12 divisors (see below), whose sum is σ = 176145200. Its totient is φ = 25163592.

The previous prime is 75490787. The next prime is 75490813. The reversal of 75490788 is 88709457.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×75490788³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (75490783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145438 + ... + 3145461.

Almost surely, 2^75490788 is an apocalyptic number.

It is an amenable number.

75490788 is an abundant number, since it is smaller than the sum of its proper divisors (100654412).

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

75490788 is a wasteful number, since it uses less digits than its factorization.

75490788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290906 (or 6290904 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 75490788 is about 8688.5434912878. The cubic root of 75490788 is about 422.6342147970.

The spelling of 75490788 in words is "seventy-five million, four hundred ninety thousand, seven hundred eighty-eight".