1772647242 has 16 divisors (see below), whose sum is σ = 3545762880. Its totient is φ = 590804352.

The previous prime is 1772647229. The next prime is 1772647249. The reversal of 1772647242 is 2427462771.

It is a junction number, because it is equal to n+sod(n) for n = 1772647194 and 1772647203.

It is not an unprimeable number, because it can be changed into a prime (1772647249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47259 + ... + 76017.

It is an arithmetic number, because the mean of its divisors is an integer number (221610180).

Almost surely, 2^1772647242 is an apocalyptic number.

1772647242 is an abundant number, since it is smaller than the sum of its proper divisors (1773115638).

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

1772647242 is a wasteful number, since it uses less digits than its factorization.

1772647242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39037.

The product of its digits is 263424, while the sum is 42.

The square root of 1772647242 is about 42102.8175066705. The cubic root of 1772647242 is about 1210.2472554388.

The spelling of 1772647242 in words is "one billion, seven hundred seventy-two million, six hundred forty-seven thousand, two hundred forty-two".