747315841 has 2 divisors, whose sum is σ = 747315842. Its totient is φ = 747315840.

The previous prime is 747315781. The next prime is 747315851. The reversal of 747315841 is 148513747.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533425216 + 213890625 = 23096^2 + 14625^2 .

It is a cyclic number.

It is not a de Polignac number, because 747315841 - 2¹¹ = 747313793 is a prime.

It is equal to p_38571907 and since 747315841 and 38571907 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 747315794 and 747315803.

It is not a weakly prime, because it can be changed into another prime (747315851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373657920 + 373657921.

It is an arithmetic number, because the mean of its divisors is an integer number (373657921).

Almost surely, 2^747315841 is an apocalyptic number.

It is an amenable number.

747315841 is a deficient number, since it is larger than the sum of its proper divisors (1).

747315841 is an equidigital number, since it uses as much as digits as its factorization.

747315841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 747315841 is about 27337.0781357482. The cubic root of 747315841 is about 907.4751251318.

The spelling of 747315841 in words is "seven hundred forty-seven million, three hundred fifteen thousand, eight hundred forty-one".