1772274330 has 48 divisors (see below), whose sum is σ = 4778583264. Its totient is φ = 472605840.

The previous prime is 1772274263. The next prime is 1772274347. The reversal of 1772274330 is 334722771.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362236 + ... + 367095.

It is an arithmetic number, because the mean of its divisors is an integer number (99553818).

Almost surely, 2^1772274330 is an apocalyptic number.

1772274330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1772274330 is an abundant number, since it is smaller than the sum of its proper divisors (3006308934).

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

1772274330 is an equidigital number, since it uses as much as digits as its factorization.

1772274330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729353 (or 729341 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 1772274330 is about 42098.3886865044. The cubic root of 1772274330 is about 1210.1623828698.

The spelling of 1772274330 in words is "one billion, seven hundred seventy-two million, two hundred seventy-four thousand, three hundred thirty".