75323957 has 8 divisors (see below), whose sum is σ = 80092800. Its totient is φ = 70592704.

The previous prime is 75323953. The next prime is 75323981. The reversal of 75323957 is 75932357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75323957 - 2² = 75323953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75323951) 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, 5207 + ... + 13332.

It is an arithmetic number, because the mean of its divisors is an integer number (10011600).

Almost surely, 2^75323957 is an apocalyptic number.

It is an amenable number.

75323957 is a deficient number, since it is larger than the sum of its proper divisors (4768843).

75323957 is a wasteful number, since it uses less digits than its factorization.

75323957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18795.

The product of its digits is 198450, while the sum is 41.

The square root of 75323957 is about 8678.9375501844. The cubic root of 75323957 is about 422.3226514282.

Subtracting 75323957 from its reverse (75932357), we obtain a square (608400 = 780²).

The spelling of 75323957 in words is "seventy-five million, three hundred twenty-three thousand, nine hundred fifty-seven".