748247040 has 288 divisors, whose sum is σ = 2713707360. Its totient is φ = 190316544.

The previous prime is 748247023. The next prime is 748247069. The reversal of 748247040 is 40742847.

748247040 is a `hidden beast` number, since 74 + 82 + 470 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 748246986 and 748247004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2119504 + ... + 2119856.

It is an arithmetic number, because the mean of its divisors is an integer number (9422595).

Almost surely, 2^748247040 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 748247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356853680).

748247040 is an abundant number, since it is smaller than the sum of its proper divisors (1965460320).

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

748247040 is a wasteful number, since it uses less digits than its factorization.

748247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 748247040 is about 27354.1046280078. The cubic root of 748247040 is about 907.8518909452.

Adding to 748247040 its reverse (40742847), we get a palindrome (788989887).

The spelling of 748247040 in words is "seven hundred forty-eight million, two hundred forty-seven thousand, forty".