75720716 has 12 divisors (see below), whose sum is σ = 133278432. Its totient is φ = 37641168.

The previous prime is 75720709. The next prime is 75720739. The reversal of 75720716 is 61702757.

75720716 = T₄₈₁ + T₄₈₂ + ... + T₈₂₆.

75720716 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

75720716 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54020 + ... + 55403.

It is an arithmetic number, because the mean of its divisors is an integer number (11106536).

Almost surely, 2^75720716 is an apocalyptic number.

It is an amenable number.

75720716 is a deficient number, since it is larger than the sum of its proper divisors (57557716).

75720716 is a wasteful number, since it uses less digits than its factorization.

75720716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109600 (or 109598 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 75720716 is about 8701.7651082984. The cubic root of 75720716 is about 423.0628628953.

The spelling of 75720716 in words is "seventy-five million, seven hundred twenty thousand, seven hundred sixteen".