75497413 has 2 divisors, whose sum is σ = 75497414. Its totient is φ = 75497412.

The previous prime is 75497363. The next prime is 75497467. The reversal of 75497413 is 31479457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 15000129 = 7778^2 + 3873^2 .

It is an emirp because it is prime and its reverse (31479457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75497413 - 2¹³ = 75489221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75497483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37748706 + 37748707.

It is an arithmetic number, because the mean of its divisors is an integer number (37748707).

Almost surely, 2^75497413 is an apocalyptic number.

It is an amenable number.

75497413 is a deficient number, since it is larger than the sum of its proper divisors (1).

75497413 is an equidigital number, since it uses as much as digits as its factorization.

75497413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 75497413 is about 8688.9247320943. The cubic root of 75497413 is about 422.6465777614.

The spelling of 75497413 in words is "seventy-five million, four hundred ninety-seven thousand, four hundred thirteen".