627040740 has 48 divisors (see below), whose sum is σ = 1758552768. Its totient is φ = 166940544.

The previous prime is 627040709. The next prime is 627040741. The reversal of 627040740 is 47040726.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 627040698 and 627040707.

It is not an unprimeable number, because it can be changed into a prime (627040741) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30454 + ... + 46706.

It is an arithmetic number, because the mean of its divisors is an integer number (36636516).

Almost surely, 2^627040740 is an apocalyptic number.

627040740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

627040740 is an abundant number, since it is smaller than the sum of its proper divisors (1131512028).

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

627040740 is a wasteful number, since it uses less digits than its factorization.

627040740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16908 (or 16906 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 627040740 is about 25040.7815373243. The cubic root of 627040740 is about 855.9175267006.

The spelling of 627040740 in words is "six hundred twenty-seven million, forty thousand, seven hundred forty".