747071653 has 2 divisors, whose sum is σ = 747071654. Its totient is φ = 747071652.

The previous prime is 747071617. The next prime is 747071683. The reversal of 747071653 is 356170747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389786049 + 357285604 = 19743^2 + 18902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747071653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747071683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373535826 + 373535827.

It is an arithmetic number, because the mean of its divisors is an integer number (373535827).

Almost surely, 2^747071653 is an apocalyptic number.

It is an amenable number.

747071653 is a deficient number, since it is larger than the sum of its proper divisors (1).

747071653 is an equidigital number, since it uses as much as digits as its factorization.

747071653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 747071653 is about 27332.6115290874. The cubic root of 747071653 is about 907.3762741669.

The spelling of 747071653 in words is "seven hundred forty-seven million, seventy-one thousand, six hundred fifty-three".