75066357 has 4 divisors (see below), whose sum is σ = 100088480. Its totient is φ = 50044236.

The previous prime is 75066337. The next prime is 75066361. The reversal of 75066357 is 75366057.

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 not a de Polignac number, because 75066357 - 2¹⁵ = 75033589 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 (75066317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12511057 + ... + 12511062.

It is an arithmetic number, because the mean of its divisors is an integer number (25022120).

Almost surely, 2^75066357 is an apocalyptic number.

It is an amenable number.

75066357 is a deficient number, since it is larger than the sum of its proper divisors (25022123).

75066357 is a wasteful number, since it uses less digits than its factorization.

75066357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25022122.

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 75066357 is about 8664.0843139942. The cubic root of 75066357 is about 421.8406685698.

The spelling of 75066357 in words is "seventy-five million, sixty-six thousand, three hundred fifty-seven".