747050621 has 2 divisors, whose sum is σ = 747050622. Its totient is φ = 747050620.

The previous prime is 747050597. The next prime is 747050651. The reversal of 747050621 is 126050747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700660900 + 46389721 = 26470^2 + 6811^2 .

It is a cyclic number.

It is not a de Polignac number, because 747050621 - 2¹⁴ = 747034237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747050651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373525310 + 373525311.

It is an arithmetic number, because the mean of its divisors is an integer number (373525311).

Almost surely, 2^747050621 is an apocalyptic number.

It is an amenable number.

747050621 is a deficient number, since it is larger than the sum of its proper divisors (1).

747050621 is an equidigital number, since it uses as much as digits as its factorization.

747050621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 747050621 is about 27332.2267845121. The cubic root of 747050621 is about 907.3677590904.

The spelling of 747050621 in words is "seven hundred forty-seven million, fifty thousand, six hundred twenty-one".