748661749038 has 48 divisors (see below), whose sum is σ = 1962877868640. Its totient is φ = 201320805888.

The previous prime is 748661749037. The next prime is 748661749057. The reversal of 748661749038 is 830947166847.

748661749038 is a `hidden beast` number, since 7 + 4 + 8 + 6 + 617 + 4 + 9 + 0 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748661749037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174755503 + ... + 174759786.

It is an arithmetic number, because the mean of its divisors is an integer number (40893288930).

Almost surely, 2^748661749038 is an apocalyptic number.

748661749038 is an abundant number, since it is smaller than the sum of its proper divisors (1214216119602).

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

748661749038 is a wasteful number, since it uses less digits than its factorization.

748661749038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349515321 (or 349515318 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 748661749038 in words is "seven hundred forty-eight billion, six hundred sixty-one million, seven hundred forty-nine thousand, thirty-eight".