743380447020 has 96 divisors (see below), whose sum is σ = 2148903751680. Its totient is φ = 191813825280.

The previous prime is 743380447003. The next prime is 743380447037. The reversal of 743380447020 is 20744083347.

It is an interprime number because it is at equal distance from previous prime (743380447003) and next prime (743380447037).

It is a super-2 number, since 2×743380447020² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16101289 + ... + 16147391.

It is an arithmetic number, because the mean of its divisors is an integer number (22384414080).

Almost surely, 2^743380447020 is an apocalyptic number.

It is an amenable number.

743380447020 is an abundant number, since it is smaller than the sum of its proper divisors (1405523304660).

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

743380447020 is a wasteful number, since it uses less digits than its factorization.

743380447020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54815 (or 54813 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 743380447020 in words is "seven hundred forty-three billion, three hundred eighty million, four hundred forty-seven thousand, twenty".