75162397 has 4 divisors (see below), whose sum is σ = 75623680. Its totient is φ = 74701116.

The previous prime is 75162379. The next prime is 75162407. The reversal of 75162397 is 79326157.

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 a de Polignac number, because none of the positive numbers 2^k-75162397 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 (75162377) 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, 230397 + ... + 230722.

It is an arithmetic number, because the mean of its divisors is an integer number (18905920).

Almost surely, 2^75162397 is an apocalyptic number.

It is an amenable number.

75162397 is a deficient number, since it is larger than the sum of its proper divisors (461283).

75162397 is a wasteful number, since it uses less digits than its factorization.

75162397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461282.

The product of its digits is 79380, while the sum is 40.

The square root of 75162397 is about 8669.6249630535. The cubic root of 75162397 is about 422.0204930788.

The spelling of 75162397 in words is "seventy-five million, one hundred sixty-two thousand, three hundred ninety-seven".