749010439 has 2 divisors, whose sum is σ = 749010440. Its totient is φ = 749010438.

The previous prime is 749010401. The next prime is 749010461. The reversal of 749010439 is 934010947.

It is a strong prime.

It is an emirp because it is prime and its reverse (934010947) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749010439 is a prime.

It is a super-2 number, since 2×749010439² = 1122033275461945442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749010398 and 749010407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749010539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374505219 + 374505220.

It is an arithmetic number, because the mean of its divisors is an integer number (374505220).

Almost surely, 2^749010439 is an apocalyptic number.

749010439 is a deficient number, since it is larger than the sum of its proper divisors (1).

749010439 is an equidigital number, since it uses as much as digits as its factorization.

749010439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 749010439 is about 27368.0550825228. The cubic root of 749010439 is about 908.1605312856.

The spelling of 749010439 in words is "seven hundred forty-nine million, ten thousand, four hundred thirty-nine".