75220106 has 8 divisors (see below), whose sum is σ = 121509444. Its totient is φ = 34716960.

The previous prime is 75220073. The next prime is 75220109. The reversal of 75220106 is 60102257.

It can be written as a sum of positive squares in 2 ways, for example, as 70980625 + 4239481 = 8425^2 + 2059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (75220109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446515 + ... + 1446566.

Almost surely, 2^75220106 is an apocalyptic number.

75220106 is a deficient number, since it is larger than the sum of its proper divisors (46289338).

75220106 is a wasteful number, since it uses less digits than its factorization.

75220106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893096.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 75220106 is about 8672.9525537731. The cubic root of 75220106 is about 422.1284732712.

The spelling of 75220106 in words is "seventy-five million, two hundred twenty thousand, one hundred six".