748301640 has 128 divisors (see below), whose sum is σ = 2300209920. Its totient is φ = 194688000.

The previous prime is 748301633. The next prime is 748301651. The reversal of 748301640 is 46103847.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1104982 + ... + 1105658.

It is an arithmetic number, because the mean of its divisors is an integer number (17970390).

Almost surely, 2^748301640 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 748301640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150104960).

748301640 is an abundant number, since it is smaller than the sum of its proper divisors (1551908280).

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

748301640 is a wasteful number, since it uses less digits than its factorization.

748301640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 748301640 is about 27355.1026318674. The cubic root of 748301640 is about 907.8739725595.

The spelling of 748301640 in words is "seven hundred forty-eight million, three hundred one thousand, six hundred forty".