740674817 has 2 divisors, whose sum is σ = 740674818. Its totient is φ = 740674816.

The previous prime is 740674807. The next prime is 740674873. The reversal of 740674817 is 718476047.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525143056 + 215531761 = 22916^2 + 14681^2 .

It is a cyclic number.

It is not a de Polignac number, because 740674817 - 2¹⁴ = 740658433 is a prime.

It is not a weakly prime, because it can be changed into another prime (740674807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370337408 + 370337409.

It is an arithmetic number, because the mean of its divisors is an integer number (370337409).

Almost surely, 2^740674817 is an apocalyptic number.

It is an amenable number.

740674817 is a deficient number, since it is larger than the sum of its proper divisors (1).

740674817 is an equidigital number, since it uses as much as digits as its factorization.

740674817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 740674817 is about 27215.3415741930. The cubic root of 740674817 is about 904.7790297175.

The spelling of 740674817 in words is "seven hundred forty million, six hundred seventy-four thousand, eight hundred seventeen".