748634 has 4 divisors (see below), whose sum is σ = 1122954. Its totient is φ = 374316.

The previous prime is 748633. The next prime is 748637. The reversal of 748634 is 436847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436847 = 389 ⋅1123.

It can be written as a sum of positive squares in only one way, i.e., 727609 + 21025 = 853^2 + 145^2 .

It is a d-powerful number, because it can be written as 7⁶ + 4⁵ + 6³ + 8⁵ + 3¹² + 4⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 748634.

It is not an unprimeable number, because it can be changed into a prime (748633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187157 + ... + 187160.

2⁷⁴⁸⁶³⁴ is an apocalyptic number.

748634 is a deficient number, since it is larger than the sum of its proper divisors (374320).

748634 is a wasteful number, since it uses less digits than its factorization.

748634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374319.

The product of its digits is 16128, while the sum is 32.

The square root of 748634 is about 865.2363838859. The cubic root of 748634 is about 90.8008364145.

The spelling of 748634 in words is "seven hundred forty-eight thousand, six hundred thirty-four".