75212097 has 16 divisors (see below), whose sum is σ = 106453440. Its totient is φ = 47071232.

The previous prime is 75212087. The next prime is 75212099. The reversal of 75212097 is 79021257.

It is not a de Polignac number, because 75212097 - 2¹¹ = 75210049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75212099) 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 15 ways as a sum of consecutive naturals, for example, 20929 + ... + 24257.

It is an arithmetic number, because the mean of its divisors is an integer number (6653340).

Almost surely, 2^75212097 is an apocalyptic number.

It is an amenable number.

75212097 is a deficient number, since it is larger than the sum of its proper divisors (31241343).

75212097 is a wasteful number, since it uses less digits than its factorization.

75212097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 75212097 is about 8672.4908186749. The cubic root of 75212097 is about 422.1134908100.

The spelling of 75212097 in words is "seventy-five million, two hundred twelve thousand, ninety-seven".