75212116 has 24 divisors (see below), whose sum is σ = 156965760. Its totient is φ = 30832032.

The previous prime is 75212099. The next prime is 75212129. The reversal of 75212116 is 61121257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57751 + ... + 59038.

It is an arithmetic number, because the mean of its divisors is an integer number (6540240).

Almost surely, 2^75212116 is an apocalyptic number.

It is an amenable number.

75212116 is an abundant number, since it is smaller than the sum of its proper divisors (81753644).

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

75212116 is a wasteful number, since it uses less digits than its factorization.

75212116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116823 (or 116821 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 75212116 is about 8672.4919140925. The cubic root of 75212116 is about 422.1135263547.

The spelling of 75212116 in words is "seventy-five million, two hundred twelve thousand, one hundred sixteen".