75397377 has 24 divisors (see below), whose sum is σ = 115763040. Its totient is φ = 43283520.

The previous prime is 75397373. The next prime is 75397391. The reversal of 75397377 is 77379357.

It is a happy number.

It is not a de Polignac number, because 75397377 - 2² = 75397373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75397373) 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 23 ways as a sum of consecutive naturals, for example, 8749 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (4823460).

Almost surely, 2^75397377 is an apocalyptic number.

It is an amenable number.

75397377 is a deficient number, since it is larger than the sum of its proper divisors (40365663).

75397377 is a wasteful number, since it uses less digits than its factorization.

75397377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381 (or 6362 counting only the distinct ones).

The product of its digits is 972405, while the sum is 48.

The square root of 75397377 is about 8683.1663003768. The cubic root of 75397377 is about 422.4598227495.

The spelling of 75397377 in words is "seventy-five million, three hundred ninety-seven thousand, three hundred seventy-seven".