75371397 has 4 divisors (see below), whose sum is σ = 100495200. Its totient is φ = 50247596.

The previous prime is 75371371. The next prime is 75371411. The reversal of 75371397 is 79317357.

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 75371397 - 2⁷ = 75371269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75371327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12561897 + ... + 12561902.

It is an arithmetic number, because the mean of its divisors is an integer number (25123800).

Almost surely, 2^75371397 is an apocalyptic number.

It is an amenable number.

75371397 is a deficient number, since it is larger than the sum of its proper divisors (25123803).

75371397 is a wasteful number, since it uses less digits than its factorization.

75371397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25123802.

The product of its digits is 138915, while the sum is 42.

The square root of 75371397 is about 8681.6701734171. The cubic root of 75371397 is about 422.4112942397.

The spelling of 75371397 in words is "seventy-five million, three hundred seventy-one thousand, three hundred ninety-seven".