747700747 has 2 divisors, whose sum is σ = 747700748. Its totient is φ = 747700746.

The previous prime is 747700739. The next prime is 747700781. The reversal of 747700747 is 747007747.

It is a weak prime.

It is an emirp because it is prime and its reverse (747007747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747700747 - 2³ = 747700739 is a prime.

It is not a weakly prime, because it can be changed into another prime (747700147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373850373 + 373850374.

It is an arithmetic number, because the mean of its divisors is an integer number (373850374).

Almost surely, 2^747700747 is an apocalyptic number.

747700747 is a deficient number, since it is larger than the sum of its proper divisors (1).

747700747 is an equidigital number, since it uses as much as digits as its factorization.

747700747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268912, while the sum is 43.

The square root of 747700747 is about 27344.1172283912. The cubic root of 747700747 is about 907.6308971408.

The spelling of 747700747 in words is "seven hundred forty-seven million, seven hundred thousand, seven hundred forty-seven".