749412623 has 2 divisors, whose sum is σ = 749412624. Its totient is φ = 749412622.

The previous prime is 749412613. The next prime is 749412641. The reversal of 749412623 is 326214947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749412623 - 2²⁰ = 748364047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749412613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374706311 + 374706312.

It is an arithmetic number, because the mean of its divisors is an integer number (374706312).

Almost surely, 2^749412623 is an apocalyptic number.

749412623 is a deficient number, since it is larger than the sum of its proper divisors (1).

749412623 is an equidigital number, since it uses as much as digits as its factorization.

749412623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 749412623 is about 27375.4017870058. The cubic root of 749412623 is about 908.3230489498.

The spelling of 749412623 in words is "seven hundred forty-nine million, four hundred twelve thousand, six hundred twenty-three".