75270641 has 4 divisors (see below), whose sum is σ = 76872192. Its totient is φ = 73669092.

The previous prime is 75270623. The next prime is 75270659. The reversal of 75270641 is 14607257.

75270641 is nontrivially palindromic in base 2.

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 an interprime number because it is at equal distance from previous prime (75270623) and next prime (75270659).

It is a cyclic number.

It is not a de Polignac number, because 75270641 - 2¹⁰ = 75269617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75270598 and 75270607.

It is not an unprimeable number, because it can be changed into a prime (75270661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800705 + ... + 800798.

It is an arithmetic number, because the mean of its divisors is an integer number (19218048).

Almost surely, 2^75270641 is an apocalyptic number.

It is an amenable number.

75270641 is a deficient number, since it is larger than the sum of its proper divisors (1601551).

75270641 is a wasteful number, since it uses less digits than its factorization.

75270641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601550.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 75270641 is about 8675.8654323358. The cubic root of 75270641 is about 422.2229847350. Note that the first 3 decimals are identical.

Adding to 75270641 its reverse (14607257), we get a palindrome (89877898).

The spelling of 75270641 in words is "seventy-five million, two hundred seventy thousand, six hundred forty-one".