740667400728 has 64 divisors (see below), whose sum is σ = 1857368620800. Its totient is φ = 246129525120.

The previous prime is 740667400717. The next prime is 740667400729. The reversal of 740667400728 is 827004766047.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740667400729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35237550 + ... + 35258562.

It is an arithmetic number, because the mean of its divisors is an integer number (29021384700).

Almost surely, 2^740667400728 is an apocalyptic number.

It is an amenable number.

740667400728 is an abundant number, since it is smaller than the sum of its proper divisors (1116701220072).

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

740667400728 is a wasteful number, since it uses less digits than its factorization.

740667400728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25472 (or 25468 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 740667400728 in words is "seven hundred forty billion, six hundred sixty-seven million, four hundred thousand, seven hundred twenty-eight".