748409540 has 12 divisors (see below), whose sum is σ = 1571660076. Its totient is φ = 299363808.

The previous prime is 748409537. The next prime is 748409551. The reversal of 748409540 is 45904847.

748409540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 104366656 + 644042884 = 10216^2 + 25378^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18710219 + ... + 18710258.

It is an arithmetic number, because the mean of its divisors is an integer number (130971673).

Almost surely, 2^748409540 is an apocalyptic number.

It is an amenable number.

748409540 is an abundant number, since it is smaller than the sum of its proper divisors (823250536).

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

748409540 is a wasteful number, since it uses less digits than its factorization.

748409540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37420486 (or 37420484 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 748409540 is about 27357.0747705233. The cubic root of 748409540 is about 907.9176068768.

The spelling of 748409540 in words is "seven hundred forty-eight million, four hundred nine thousand, five hundred forty".