75572317 has 2 divisors, whose sum is σ = 75572318. Its totient is φ = 75572316.

The previous prime is 75572311. The next prime is 75572323. The reversal of 75572317 is 71327557.

It is a balanced prime because it is at equal distance from previous prime (75572311) and next prime (75572323).

It can be written as a sum of positive squares in only one way, i.e., 44368921 + 31203396 = 6661^2 + 5586^2 .

It is a cyclic number.

It is not a de Polignac number, because 75572317 - 2¹⁵ = 75539549 is a prime.

It is a super-2 number, since 2×75572317² = 11422350193496978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75572311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37786158 + 37786159.

It is an arithmetic number, because the mean of its divisors is an integer number (37786159).

Almost surely, 2^75572317 is an apocalyptic number.

It is an amenable number.

75572317 is a deficient number, since it is larger than the sum of its proper divisors (1).

75572317 is an equidigital number, since it uses as much as digits as its factorization.

75572317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51450, while the sum is 37.

The square root of 75572317 is about 8693.2339782155. The cubic root of 75572317 is about 422.7863064138.

The spelling of 75572317 in words is "seventy-five million, five hundred seventy-two thousand, three hundred seventeen".