1772740051 has 4 divisors (see below), whose sum is σ = 1772995104. Its totient is φ = 1772485000.

The previous prime is 1772740049. The next prime is 1772740091. The reversal of 1772740051 is 1500472771.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1772740051 - 2¹ = 1772740049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1772739989 and 1772740016.

It is not an unprimeable number, because it can be changed into a prime (1772740091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116800 + ... + 131101.

It is an arithmetic number, because the mean of its divisors is an integer number (443248776).

Almost surely, 2^1772740051 is an apocalyptic number.

1772740051 is a deficient number, since it is larger than the sum of its proper divisors (255053).

1772740051 is an equidigital number, since it uses as much as digits as its factorization.

1772740051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255052.

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 1772740051 is about 42103.9196631383. The cubic root of 1772740051 is about 1210.2683763693.

The spelling of 1772740051 in words is "one billion, seven hundred seventy-two million, seven hundred forty thousand, fifty-one".