75273955 has 4 divisors (see below), whose sum is σ = 90328752. Its totient is φ = 60219160.

The previous prime is 75273949. The next prime is 75273959. The reversal of 75273955 is 55937257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55937257 = 457 ⋅122401.

It is not a de Polignac number, because 75273955 - 2⁵ = 75273923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75273959) 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, 7527391 + ... + 7527400.

It is an arithmetic number, because the mean of its divisors is an integer number (22582188).

Almost surely, 2^75273955 is an apocalyptic number.

75273955 is a deficient number, since it is larger than the sum of its proper divisors (15054797).

75273955 is a wasteful number, since it uses less digits than its factorization.

75273955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15054796.

The product of its digits is 330750, while the sum is 43.

The square root of 75273955 is about 8676.0564198258. The cubic root of 75273955 is about 422.2291811590.

The spelling of 75273955 in words is "seventy-five million, two hundred seventy-three thousand, nine hundred fifty-five".