1772242340 has 24 divisors (see below), whose sum is σ = 4060046592. Its totient is φ = 644451680.

The previous prime is 1772242337. The next prime is 1772242349. The reversal of 1772242340 is 432422771.

It is a junction number, because it is equal to n+sod(n) for n = 1772242297 and 1772242306.

It is not an unprimeable number, because it can be changed into a prime (1772242349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4027604 + ... + 4028043.

It is an arithmetic number, because the mean of its divisors is an integer number (169168608).

Almost surely, 2^1772242340 is an apocalyptic number.

1772242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1772242340 is an abundant number, since it is smaller than the sum of its proper divisors (2287804252).

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

1772242340 is a wasteful number, since it uses less digits than its factorization.

1772242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055667 (or 8055665 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 1772242340 is about 42098.0087415070. The cubic root of 1772242340 is about 1210.1551015803.

The spelling of 1772242340 in words is "one billion, seven hundred seventy-two million, two hundred forty-two thousand, three hundred forty".