743278020 has 48 divisors (see below), whose sum is σ = 2102650368. Its totient is φ = 196162560.

The previous prime is 743278009. The next prime is 743278073. The reversal of 743278020 is 20872347.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58036 + ... + 69675.

It is an arithmetic number, because the mean of its divisors is an integer number (43805216).

Almost surely, 2^743278020 is an apocalyptic number.

It is an amenable number.

743278020 is an abundant number, since it is smaller than the sum of its proper divisors (1359372348).

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

743278020 is a wasteful number, since it uses less digits than its factorization.

743278020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127820 (or 127818 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 743278020 is about 27263.1256461910. The cubic root of 743278020 is about 905.8377802141.

The spelling of 743278020 in words is "seven hundred forty-three million, two hundred seventy-eight thousand, twenty".