75055357 has 8 divisors (see below), whose sum is σ = 85583736. Its totient is φ = 65206272.

The previous prime is 75055327. The next prime is 75055397. The reversal of 75055357 is 75355057.

It can be written as a sum of positive squares in 4 ways, for example, as 9865881 + 65189476 = 3141^2 + 8074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75055357 - 2⁷ = 75055229 is a prime.

It is a super-2 number, since 2×75055357² = 11266613228794898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75055327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169588 + ... + 170029.

It is an arithmetic number, because the mean of its divisors is an integer number (10697967).

Almost surely, 2^75055357 is an apocalyptic number.

It is an amenable number.

75055357 is a deficient number, since it is larger than the sum of its proper divisors (10528379).

75055357 is a wasteful number, since it uses less digits than its factorization.

75055357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339647.

The product of its (nonzero) digits is 91875, while the sum is 37.

The square root of 75055357 is about 8663.4494862035. The cubic root of 75055357 is about 421.8200624722.

The spelling of 75055357 in words is "seventy-five million, fifty-five thousand, three hundred fifty-seven".