740666836 has 72 divisors (see below), whose sum is σ = 1614346944. Its totient is φ = 291133440.

The previous prime is 740666831. The next prime is 740666887. The reversal of 740666836 is 638666047.

740666836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740666831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 912871 + ... + 913681.

Almost surely, 2^740666836 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 740666836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807173472).

740666836 is an abundant number, since it is smaller than the sum of its proper divisors (873680108).

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

740666836 is a wasteful number, since it uses less digits than its factorization.

740666836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 740666836 is about 27215.1949469409. The cubic root of 740666836 is about 904.7757799480.

The spelling of 740666836 in words is "seven hundred forty million, six hundred sixty-six thousand, eight hundred thirty-six".