748405 has 8 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 513168.

The previous prime is 748387. The next prime is 748441. The reversal of 748405 is 504847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 748405 - 2¹⁷ = 617333 is a prime.

It is a super-2 number, since 2×748405² = 1120220088050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10657 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (128304).

2⁷⁴⁸⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

748405 is a deficient number, since it is larger than the sum of its proper divisors (278027).

748405 is a wasteful number, since it uses less digits than its factorization.

748405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21395.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 748405 is about 865.1040399859. The cubic root of 748405 is about 90.7915771004.

The spelling of 748405 in words is "seven hundred forty-eight thousand, four hundred five".