75140261 has 8 divisors (see below), whose sum is σ = 85941504. Its totient is φ = 64355760.

The previous prime is 75140257. The next prime is 75140279. The reversal of 75140261 is 16204157.

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

It is not a de Polignac number, because 75140261 - 2² = 75140257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75140261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75140761) 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 7 ways as a sum of consecutive naturals, for example, 7691 + ... + 14471.

It is an arithmetic number, because the mean of its divisors is an integer number (10742688).

Almost surely, 2^75140261 is an apocalyptic number.

It is an amenable number.

75140261 is a deficient number, since it is larger than the sum of its proper divisors (10801243).

75140261 is a wasteful number, since it uses less digits than its factorization.

75140261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 75140261 is about 8668.3482278921. The cubic root of 75140261 is about 421.9790594043.

The spelling of 75140261 in words is "seventy-five million, one hundred forty thousand, two hundred sixty-one".