75423377 has 2 divisors, whose sum is σ = 75423378. Its totient is φ = 75423376.

The previous prime is 75423349. The next prime is 75423401. The reversal of 75423377 is 77332457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68823616 + 6599761 = 8296^2 + 2569^2 .

It is an emirp because it is prime and its reverse (77332457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75423377 - 2⁸ = 75423121 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75423377.

It is not a weakly prime, because it can be changed into another prime (75423277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37711688 + 37711689.

It is an arithmetic number, because the mean of its divisors is an integer number (37711689).

Almost surely, 2^75423377 is an apocalyptic number.

It is an amenable number.

75423377 is a deficient number, since it is larger than the sum of its proper divisors (1).

75423377 is an equidigital number, since it uses as much as digits as its factorization.

75423377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 38.

The square root of 75423377 is about 8684.6633210505. The cubic root of 75423377 is about 422.5083774584.

The spelling of 75423377 in words is "seventy-five million, four hundred twenty-three thousand, three hundred seventy-seven".