749747419 has 2 divisors, whose sum is σ = 749747420. Its totient is φ = 749747418.

The previous prime is 749747417. The next prime is 749747437. The reversal of 749747419 is 914747947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749747419 - 2¹ = 749747417 is a prime.

It is a super-2 number, since 2×749747419² = 1124242384594323122, which contains 22 as substring.

Together with 749747417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (749747417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374873709 + 374873710.

It is an arithmetic number, because the mean of its divisors is an integer number (374873710).

Almost surely, 2^749747419 is an apocalyptic number.

749747419 is a deficient number, since it is larger than the sum of its proper divisors (1).

749747419 is an equidigital number, since it uses as much as digits as its factorization.

749747419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 52.

The square root of 749747419 is about 27381.5160098925. The cubic root of 749747419 is about 908.4582916007.

The spelling of 749747419 in words is "seven hundred forty-nine million, seven hundred forty-seven thousand, four hundred nineteen".