743484140 has 48 divisors (see below), whose sum is σ = 1786059072. Its totient is φ = 254666496.

The previous prime is 743484139. The next prime is 743484143. The reversal of 743484140 is 41484347.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 743484140.

It is not an unprimeable number, because it can be changed into a prime (743484143) 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, 207242 + ... + 210798.

It is an arithmetic number, because the mean of its divisors is an integer number (37209564).

Almost surely, 2^743484140 is an apocalyptic number.

743484140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

743484140 is an abundant number, since it is smaller than the sum of its proper divisors (1042574932).

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

743484140 is a wasteful number, since it uses less digits than its factorization.

743484140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 5064 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 743484140 is about 27266.9055816754. The cubic root of 743484140 is about 905.9215057388.

The spelling of 743484140 in words is "seven hundred forty-three million, four hundred eighty-four thousand, one hundred forty".