748780651 has 2 divisors, whose sum is σ = 748780652. Its totient is φ = 748780650.

The previous prime is 748780631. The next prime is 748780693. The reversal of 748780651 is 156087847.

It is a weak prime.

It is an emirp because it is prime and its reverse (156087847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 748780651 - 2⁵ = 748780619 is a prime.

It is a super-4 number, since 4×748780651⁴ (a number of 37 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (748780621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374390325 + 374390326.

It is an arithmetic number, because the mean of its divisors is an integer number (374390326).

Almost surely, 2^748780651 is an apocalyptic number.

748780651 is a deficient number, since it is larger than the sum of its proper divisors (1).

748780651 is an equidigital number, since it uses as much as digits as its factorization.

748780651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 748780651 is about 27363.8566543534. The cubic root of 748780651 is about 908.0676506324.

The spelling of 748780651 in words is "seven hundred forty-eight million, seven hundred eighty thousand, six hundred fifty-one".