75272371 has 16 divisors (see below), whose sum is σ = 81273600. Its totient is φ = 69552000.

The previous prime is 75272363. The next prime is 75272383. The reversal of 75272371 is 17327257.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 75272371 - 2³ = 75272363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75272341) 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 15 ways as a sum of consecutive naturals, for example, 90385 + ... + 91213.

It is an arithmetic number, because the mean of its divisors is an integer number (5079600).

Almost surely, 2^75272371 is an apocalyptic number.

75272371 is a deficient number, since it is larger than the sum of its proper divisors (6001229).

75272371 is a wasteful number, since it uses less digits than its factorization.

75272371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 20580, while the sum is 34.

The square root of 75272371 is about 8675.9651336321. The cubic root of 75272371 is about 422.2262194630.

The spelling of 75272371 in words is "seventy-five million, two hundred seventy-two thousand, three hundred seventy-one".