75306716 has 24 divisors (see below), whose sum is σ = 133351680. Its totient is φ = 37209600.

The previous prime is 75306713. The next prime is 75306739. The reversal of 75306716 is 61760357.

It is a super-2 number, since 2×75306716² = 11342202949409312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75306713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183920 + ... + 184328.

It is an arithmetic number, because the mean of its divisors is an integer number (5556320).

Almost surely, 2^75306716 is an apocalyptic number.

It is an amenable number.

75306716 is a deficient number, since it is larger than the sum of its proper divisors (58044964).

75306716 is a wasteful number, since it uses less digits than its factorization.

75306716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 75306716 is about 8677.9442266011. The cubic root of 75306716 is about 422.2904269730.

The spelling of 75306716 in words is "seventy-five million, three hundred six thousand, seven hundred sixteen".