740389760 has 128 divisors (see below), whose sum is σ = 1943222400. Its totient is φ = 267520000.

The previous prime is 740389717. The next prime is 740389787. The reversal of 740389760 is 67983047.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766831 + ... + 1767249.

It is an arithmetic number, because the mean of its divisors is an integer number (15181425).

Almost surely, 2^740389760 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 740389760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971611200).

740389760 is an abundant number, since it is smaller than the sum of its proper divisors (1202832640).

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

740389760 is a wasteful number, since it uses less digits than its factorization.

740389760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 740389760 is about 27210.1040056814. The cubic root of 740389760 is about 904.6629433757.

The spelling of 740389760 in words is "seven hundred forty million, three hundred eighty-nine thousand, seven hundred sixty".