740386856 has 64 divisors (see below), whose sum is σ = 1642757760. Its totient is φ = 308992000.

The previous prime is 740386853. The next prime is 740386877. The reversal of 740386856 is 658683047.

It is a self number, because there is not a number n which added to its sum of digits gives 740386856.

It is not an unprimeable number, because it can be changed into a prime (740386853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55301 + ... + 67371.

It is an arithmetic number, because the mean of its divisors is an integer number (25668090).

Almost surely, 2^740386856 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 740386856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821378880).

740386856 is an abundant number, since it is smaller than the sum of its proper divisors (902370904).

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

740386856 is a wasteful number, since it uses less digits than its factorization.

740386856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146 (or 12142 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 740386856 is about 27210.0506430988. The cubic root of 740386856 is about 904.6617606002.

The spelling of 740386856 in words is "seven hundred forty million, three hundred eighty-six thousand, eight hundred fifty-six".