748617408 has 168 divisors, whose sum is σ = 2675412480. Its totient is φ = 194434560.

The previous prime is 748617391. The next prime is 748617427. The reversal of 748617408 is 804716847.

It is a tau number, because it is divible by the number of its divisors (168).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35913 + ... + 52791.

Almost surely, 2^748617408 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 748617408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337706240).

748617408 is an abundant number, since it is smaller than the sum of its proper divisors (1926795072).

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

748617408 is a wasteful number, since it uses less digits than its factorization.

748617408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16915 (or 16902 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 748617408 is about 27360.8736702613. The cubic root of 748617408 is about 908.0016560224.

The spelling of 748617408 in words is "seven hundred forty-eight million, six hundred seventeen thousand, four hundred eight".