747415601 has 2 divisors, whose sum is σ = 747415602. Its totient is φ = 747415600.

The previous prime is 747415553. The next prime is 747415621. The reversal of 747415601 is 106514747.

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., 706762225 + 40653376 = 26585^2 + 6376^2 .

It is an emirp because it is prime and its reverse (106514747) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747415601 is a prime.

It is not a weakly prime, because it can be changed into another prime (747415621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373707800 + 373707801.

It is an arithmetic number, because the mean of its divisors is an integer number (373707801).

Almost surely, 2^747415601 is an apocalyptic number.

It is an amenable number.

747415601 is a deficient number, since it is larger than the sum of its proper divisors (1).

747415601 is an equidigital number, since it uses as much as digits as its factorization.

747415601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 747415601 is about 27338.9027029250. The cubic root of 747415601 is about 907.5155032805.

The spelling of 747415601 in words is "seven hundred forty-seven million, four hundred fifteen thousand, six hundred one".