748990 has 24 divisors (see below), whose sum is σ = 1484280. Its totient is φ = 271920.

The previous prime is 748987. The next prime is 749011. The reversal of 748990 is 99847.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 901 + ... + 1519.

It is an arithmetic number, because the mean of its divisors is an integer number (61845).

2⁷⁴⁸⁹⁹⁰ is an apocalyptic number.

748990 is a deficient number, since it is larger than the sum of its proper divisors (735290).

748990 is a wasteful number, since it uses less digits than its factorization.

748990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 748990 is about 865.4420835619. The cubic root of 748990 is about 90.8152270581.

The spelling of 748990 in words is "seven hundred forty-eight thousand, nine hundred ninety".