747351617 has 2 divisors, whose sum is σ = 747351618. Its totient is φ = 747351616.

The previous prime is 747351587. The next prime is 747351629. The reversal of 747351617 is 716153747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387263041 + 360088576 = 19679^2 + 18976^2 .

It is a cyclic number.

It is not a de Polignac number, because 747351617 - 2⁸ = 747351361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (747351677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373675808 + 373675809.

It is an arithmetic number, because the mean of its divisors is an integer number (373675809).

Almost surely, 2^747351617 is an apocalyptic number.

It is an amenable number.

747351617 is a deficient number, since it is larger than the sum of its proper divisors (1).

747351617 is an equidigital number, since it uses as much as digits as its factorization.

747351617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 41.

The square root of 747351617 is about 27337.7324772923. The cubic root of 747351617 is about 907.4896059846.

The spelling of 747351617 in words is "seven hundred forty-seven million, three hundred fifty-one thousand, six hundred seventeen".