748899840 has 240 divisors, whose sum is σ = 2596963248. Its totient is φ = 184025088.

The previous prime is 748899821. The next prime is 748899841. The reversal of 748899840 is 48998847.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748899841) 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 in 23 ways as a sum of consecutive naturals, for example, 1297632 + ... + 1298208.

Almost surely, 2^748899840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748899840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298481624).

748899840 is an abundant number, since it is smaller than the sum of its proper divisors (1848063408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748899840 is a wasteful number, since it uses less digits than its factorization.

748899840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 748899840 is about 27366.0344222542. The cubic root of 748899840 is about 908.1158293760.

The spelling of 748899840 in words is "seven hundred forty-eight million, eight hundred ninety-nine thousand, eight hundred forty".