1763640330 has 64 divisors (see below), whose sum is σ = 4305287808. Its totient is φ = 462274560.

The previous prime is 1763640301. The next prime is 1763640337. The reversal of 1763640330 is 330463671.

It is a super-2 number, since 2×1763640330² = 6220854427205017800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1763640291 and 1763640300.

It is not an unprimeable number, because it can be changed into a prime (1763640337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1529034 + ... + 1530186.

It is an arithmetic number, because the mean of its divisors is an integer number (67270122).

Almost surely, 2^1763640330 is an apocalyptic number.

1763640330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1763640330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152643904).

1763640330 is an abundant number, since it is smaller than the sum of its proper divisors (2541647478).

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

1763640330 is a wasteful number, since it uses less digits than its factorization.

1763640330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 1763640330 is about 41995.7179960053. The cubic root of 1763640330 is about 1208.1939977055.

The spelling of 1763640330 in words is "one billion, seven hundred sixty-three million, six hundred forty thousand, three hundred thirty".