740723135442 has 8 divisors (see below), whose sum is σ = 1481446270896. Its totient is φ = 246907711812.

The previous prime is 740723135441. The next prime is 740723135443. The reversal of 740723135442 is 244531327047.

It is an interprime number because it is at equal distance from previous prime (740723135441) and next prime (740723135443).

It is a sphenic number, since it is the product of 3 distinct primes.

740723135442 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 740723135394 and 740723135403.

It is not an unprimeable number, because it can be changed into a prime (740723135441) 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 3 ways as a sum of consecutive naturals, for example, 61726927948 + ... + 61726927959.

It is an arithmetic number, because the mean of its divisors is an integer number (185180783862).

Almost surely, 2^740723135442 is an apocalyptic number.

740723135442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

740723135442 is a wasteful number, since it uses less digits than its factorization.

740723135442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123453855912.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 740723135442 in words is "seven hundred forty billion, seven hundred twenty-three million, one hundred thirty-five thousand, four hundred forty-two".