747030340 has 96 divisors (see below), whose sum is σ = 1890169344. Its totient is φ = 242457600.

The previous prime is 747030331. The next prime is 747030367. The reversal of 747030340 is 43030747.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 747030299 and 747030308.

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 31 ways as a sum of consecutive naturals, for example, 324072 + ... + 326368.

It is an arithmetic number, because the mean of its divisors is an integer number (19689264).

Almost surely, 2^747030340 is an apocalyptic number.

747030340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747030340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945084672).

747030340 is an abundant number, since it is smaller than the sum of its proper divisors (1143139004).

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

747030340 is a wasteful number, since it uses less digits than its factorization.

747030340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 747030340 is about 27331.8557730718. The cubic root of 747030340 is about 907.3595479145.

The spelling of 747030340 in words is "seven hundred forty-seven million, thirty thousand, three hundred forty".