75990004004 has 12 divisors (see below), whose sum is σ = 136576629084. Its totient is φ = 36968109984.

The previous prime is 75990003979. The next prime is 75990004009. The reversal of 75990004004 is 40040009957.

It can be written as a sum of positive squares in 2 ways, for example, as 73659045604 + 2330958400 = 271402^2 + 48280^2 .

It is not an unprimeable number, because it can be changed into a prime (75990004009) 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, 256722839 + ... + 256723134.

It is an arithmetic number, because the mean of its divisors is an integer number (11381385757).

Almost surely, 2^75990004004 is an apocalyptic number.

75990004004 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

75990004004 is a deficient number, since it is larger than the sum of its proper divisors (60586625080).

75990004004 is a wasteful number, since it uses less digits than its factorization.

75990004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513446014 (or 513446012 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 75990004004 in words is "seventy-five billion, nine hundred ninety million, four thousand, four".