79534493 has 2 divisors, whose sum is σ = 79534494. Its totient is φ = 79534492.

The previous prime is 79534489. The next prime is 79534523. The reversal of 79534493 is 39443597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49042009 + 30492484 = 7003^2 + 5522^2 .

It is a cyclic number.

It is not a de Polignac number, because 79534493 - 2² = 79534489 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79534463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39767246 + 39767247.

It is an arithmetic number, because the mean of its divisors is an integer number (39767247).

Almost surely, 2^79534493 is an apocalyptic number.

It is an amenable number.

79534493 is a deficient number, since it is larger than the sum of its proper divisors (1).

79534493 is an equidigital number, since it uses as much as digits as its factorization.

79534493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 79534493 is about 8918.2113116925. The cubic root of 79534493 is about 430.0495580163.

The spelling of 79534493 in words is "seventy-nine million, five hundred thirty-four thousand, four hundred ninety-three".