75731053 has 4 divisors (see below), whose sum is σ = 77342400. Its totient is φ = 74119708.

The previous prime is 75731027. The next prime is 75731063. The reversal of 75731053 is 35013757.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35013757 = 89 ⋅393413.

It is a cyclic number.

It is not a de Polignac number, because 75731053 - 2⁵ = 75731021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75731063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805603 + ... + 805696.

It is an arithmetic number, because the mean of its divisors is an integer number (19335600).

Almost surely, 2^75731053 is an apocalyptic number.

It is an amenable number.

75731053 is a deficient number, since it is larger than the sum of its proper divisors (1611347).

75731053 is a wasteful number, since it uses less digits than its factorization.

75731053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611346.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 75731053 is about 8702.3590479823. The cubic root of 75731053 is about 423.0821134697.

The spelling of 75731053 in words is "seventy-five million, seven hundred thirty-one thousand, fifty-three".