75389716 has 6 divisors (see below), whose sum is σ = 131932010. Its totient is φ = 37694856.

The previous prime is 75389711. The next prime is 75389719. The reversal of 75389716 is 61798357.

It can be written as a sum of positive squares in only one way, i.e., 71571600 + 3818116 = 8460^2 + 1954^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75389711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9423711 + ... + 9423718.

Almost surely, 2^75389716 is an apocalyptic number.

It is an amenable number.

75389716 is a deficient number, since it is larger than the sum of its proper divisors (56542294).

75389716 is a wasteful number, since it uses less digits than its factorization.

75389716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18847433 (or 18847431 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 75389716 is about 8682.7251482469. The cubic root of 75389716 is about 422.4455137888.

The spelling of 75389716 in words is "seventy-five million, three hundred eighty-nine thousand, seven hundred sixteen".