742724371 has 2 divisors, whose sum is σ = 742724372. Its totient is φ = 742724370.

The previous prime is 742724357. The next prime is 742724387. The reversal of 742724371 is 173427247.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742724371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742724371.

It is not a weakly prime, because it can be changed into another prime (742724341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371362185 + 371362186.

It is an arithmetic number, because the mean of its divisors is an integer number (371362186).

Almost surely, 2^742724371 is an apocalyptic number.

742724371 is a deficient number, since it is larger than the sum of its proper divisors (1).

742724371 is an equidigital number, since it uses as much as digits as its factorization.

742724371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 37.

The square root of 742724371 is about 27252.9699482460. The cubic root of 742724371 is about 905.6128124624.

The spelling of 742724371 in words is "seven hundred forty-two million, seven hundred twenty-four thousand, three hundred seventy-one".