75693961 has 4 divisors (see below), whose sum is σ = 86507392. Its totient is φ = 64880532.

The previous prime is 75693941. The next prime is 75693977. The reversal of 75693961 is 16939657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75693961 - 2¹³ = 75685769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75693941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5406705 + ... + 5406718.

It is an arithmetic number, because the mean of its divisors is an integer number (21626848).

Almost surely, 2^75693961 is an apocalyptic number.

It is an amenable number.

75693961 is a deficient number, since it is larger than the sum of its proper divisors (10813431).

75693961 is a wasteful number, since it uses less digits than its factorization.

75693961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813430.

The product of its digits is 306180, while the sum is 46.

The square root of 75693961 is about 8700.2276407000. The cubic root of 75693961 is about 423.0130289753.

The spelling of 75693961 in words is "seventy-five million, six hundred ninety-three thousand, nine hundred sixty-one".