743740733340 has 72 divisors (see below), whose sum is σ = 2461105705968. Its totient is φ = 180300783360.

The previous prime is 743740733321. The next prime is 743740733383. The reversal of 743740733340 is 43337047347.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187811337 + ... + 187815296.

It is an arithmetic number, because the mean of its divisors is an integer number (34182023694).

Almost surely, 2^743740733340 is an apocalyptic number.

It is an amenable number.

743740733340 is an abundant number, since it is smaller than the sum of its proper divisors (1717364972628).

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

743740733340 is a wasteful number, since it uses less digits than its factorization.

743740733340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375626659 (or 375626654 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 45.

It can be divided in two parts, 7437407 and 33340, that added together give a palindrome (7470747).

The spelling of 743740733340 in words is "seven hundred forty-three billion, seven hundred forty million, seven hundred thirty-three thousand, three hundred forty".