740643679428 has 48 divisors (see below), whose sum is σ = 1742491881984. Its totient is φ = 244838580480.

The previous prime is 740643679423. The next prime is 740643679459. The reversal of 740643679428 is 824976346047.

It is a happy number.

740643679428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (740643679423) 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, 1457901 + ... + 1899147.

It is an arithmetic number, because the mean of its divisors is an integer number (36301914208).

Almost surely, 2^740643679428 is an apocalyptic number.

It is an amenable number.

740643679428 is an abundant number, since it is smaller than the sum of its proper divisors (1001848202556).

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

740643679428 is a wasteful number, since it uses less digits than its factorization.

740643679428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442412 (or 442410 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 60.

The spelling of 740643679428 in words is "seven hundred forty billion, six hundred forty-three million, six hundred seventy-nine thousand, four hundred twenty-eight".