75050990 has 16 divisors (see below), whose sum is σ = 154390752. Its totient is φ = 25731744.

The previous prime is 75050959. The next prime is 75050993. The reversal of 75050990 is 9905057.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75050990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75050993) 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 7 ways as a sum of consecutive naturals, for example, 536009 + ... + 536148.

It is an arithmetic number, because the mean of its divisors is an integer number (9649422).

Almost surely, 2^75050990 is an apocalyptic number.

75050990 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75050990 is an abundant number, since it is smaller than the sum of its proper divisors (79339762).

75050990 is a wasteful number, since it uses less digits than its factorization.

75050990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072171.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 75050990 is about 8663.1974466706. The cubic root of 75050990 is about 421.8118812932.

The spelling of 75050990 in words is "seventy-five million, fifty thousand, nine hundred ninety".