740121760 has 96 divisors (see below), whose sum is σ = 2067327360. Its totient is φ = 244995072.

The previous prime is 740121749. The next prime is 740121779. The reversal of 740121760 is 67121047.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 15 ways as a sum of consecutive naturals, for example, 21087 + ... + 43873.

It is an arithmetic number, because the mean of its divisors is an integer number (21534660).

Almost surely, 2^740121760 is an apocalyptic number.

740121760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740121760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033663680).

740121760 is an abundant number, since it is smaller than the sum of its proper divisors (1327205600).

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

740121760 is a wasteful number, since it uses less digits than its factorization.

740121760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22838 (or 22830 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 740121760 is about 27205.1789187280. The cubic root of 740121760 is about 904.5537761320.

It can be divided in two parts, 7401 and 21760, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 740121760 in words is "seven hundred forty million, one hundred twenty-one thousand, seven hundred sixty".