75402271 has 8 divisors (see below), whose sum is σ = 87063200. Its totient is φ = 63963648.

The previous prime is 75402251. The next prime is 75402277. The reversal of 75402271 is 17220457.

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

It is not a de Polignac number, because 75402271 - 2⁹ = 75401759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75402277) 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, 54846 + ... + 56203.

It is an arithmetic number, because the mean of its divisors is an integer number (10882900).

Almost surely, 2^75402271 is an apocalyptic number.

75402271 is a deficient number, since it is larger than the sum of its proper divisors (11660929).

75402271 is a wasteful number, since it uses less digits than its factorization.

75402271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111153.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 75402271 is about 8683.4481054475. The cubic root of 75402271 is about 422.4689630924.

The spelling of 75402271 in words is "seventy-five million, four hundred two thousand, two hundred seventy-one".