740843442 has 64 divisors (see below), whose sum is σ = 1747267200. Its totient is φ = 231874560.

The previous prime is 740843429. The next prime is 740843443. The reversal of 740843442 is 244348047.

It is a happy number.

740843442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 740843397 and 740843406.

It is not an unprimeable number, because it can be changed into a prime (740843443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587809 + ... + 589067.

It is an arithmetic number, because the mean of its divisors is an integer number (27301050).

Almost surely, 2^740843442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740843442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873633600).

740843442 is an abundant number, since it is smaller than the sum of its proper divisors (1006423758).

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

740843442 is a wasteful number, since it uses less digits than its factorization.

740843442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 740843442 is about 27218.4393748062. The cubic root of 740843442 is about 904.8476863820.

The spelling of 740843442 in words is "seven hundred forty million, eight hundred forty-three thousand, four hundred forty-two".