748403712 has 220 divisors, whose sum is σ = 2556129840. Its totient is φ = 213663744.

The previous prime is 748403681. The next prime is 748403717. The reversal of 748403712 is 217304847.

It is a happy number.

It is a super-2 number, since 2×748403712² = 1120216232270757888, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748403717) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 579964 + ... + 581252.

It is an arithmetic number, because the mean of its divisors is an integer number (11618772).

Almost surely, 2^748403712 is an apocalyptic number.

748403712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748403712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278064920).

748403712 is an abundant number, since it is smaller than the sum of its proper divisors (1807726128).

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

748403712 is a wasteful number, since it uses less digits than its factorization.

748403712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 748403712 is about 27356.9682530795. The cubic root of 748403712 is about 907.9152501647.

The spelling of 748403712 in words is "seven hundred forty-eight million, four hundred three thousand, seven hundred twelve".