734784540 has 96 divisors (see below), whose sum is σ = 2489647104. Its totient is φ = 158069760.

The previous prime is 734784539. The next prime is 734784551. The reversal of 734784540 is 45487437.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 734784492 and 734784501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44316 + ... + 58595.

It is an arithmetic number, because the mean of its divisors is an integer number (25933824).

Almost surely, 2^734784540 is an apocalyptic number.

734784540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

734784540 is an abundant number, since it is smaller than the sum of its proper divisors (1754862564).

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

734784540 is a wasteful number, since it uses less digits than its factorization.

734784540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102947 (or 102945 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 734784540 is about 27106.9094512820. The cubic root of 734784540 is about 902.3742004862.

The spelling of 734784540 in words is "seven hundred thirty-four million, seven hundred eighty-four thousand, five hundred forty".