740753487647 has 32 divisors (see below), whose sum is σ = 783679385664. Its totient is φ = 699349248000.

The previous prime is 740753487631. The next prime is 740753487697. The reversal of 740753487647 is 746784357047.

It is a cyclic number.

It is not a de Polignac number, because 740753487647 - 2⁴ = 740753487631 is a prime.

It is a super-2 number, since 2×740753487647² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740753487647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740753487697) 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, 255695303 + ... + 255698199.

It is an arithmetic number, because the mean of its divisors is an integer number (24489980802).

Almost surely, 2^740753487647 is an apocalyptic number.

740753487647 is a deficient number, since it is larger than the sum of its proper divisors (42925898017).

740753487647 is a wasteful number, since it uses less digits than its factorization.

740753487647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 110638080, while the sum is 62.

The spelling of 740753487647 in words is "seven hundred forty billion, seven hundred fifty-three million, four hundred eighty-seven thousand, six hundred forty-seven".