748669 has 2 divisors, whose sum is σ = 748670. Its totient is φ = 748668.

The previous prime is 748639. The next prime is 748687. The reversal of 748669 is 966847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 5625 = 862^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 748669 - 2⁵ = 748637 is a prime.

It is a super-2 number, since 2×748669² = 1121010543122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374334 + 374335.

It is an arithmetic number, because the mean of its divisors is an integer number (374335).

2⁷⁴⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

748669 is a deficient number, since it is larger than the sum of its proper divisors (1).

748669 is an equidigital number, since it uses as much as digits as its factorization.

748669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 748669 is about 865.2566093362. The cubic root of 748669 is about 90.8022514272.

The spelling of 748669 in words is "seven hundred forty-eight thousand, six hundred sixty-nine".