748729 has 2 divisors, whose sum is σ = 748730. Its totient is φ = 748728.

The previous prime is 748723. The next prime is 748763. The reversal of 748729 is 927847.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559504 + 189225 = 748^2 + 435^2 .

It is an emirp because it is prime and its reverse (927847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 748729 - 2⁹ = 748217 is a prime.

748729 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (748723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374364 + 374365.

It is an arithmetic number, because the mean of its divisors is an integer number (374365).

2⁷⁴⁸⁷²⁹ is an apocalyptic number.

It is an amenable number.

748729 is a deficient number, since it is larger than the sum of its proper divisors (1).

748729 is an equidigital number, since it uses as much as digits as its factorization.

748729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 748729 is about 865.2912804368. The cubic root of 748729 is about 90.8046770605.

The spelling of 748729 in words is "seven hundred forty-eight thousand, seven hundred twenty-nine".