1770394056 has 32 divisors (see below), whose sum is σ = 4545608640. Its totient is φ = 574181568.

The previous prime is 1770394051. The next prime is 1770394081. The reversal of 1770394056 is 6504930771.

It is a super-2 number, since 2×1770394056² = 6268590227040262272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1770393999 and 1770394017.

It is not an unprimeable number, because it can be changed into a prime (1770394051) 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, 995956 + ... + 997731.

It is an arithmetic number, because the mean of its divisors is an integer number (142050270).

Almost surely, 2^1770394056 is an apocalyptic number.

It is an amenable number.

1770394056 is an abundant number, since it is smaller than the sum of its proper divisors (2775214584).

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

1770394056 is a wasteful number, since it uses less digits than its factorization.

1770394056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993733 (or 1993729 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1770394056 is about 42076.0508603172. The cubic root of 1770394056 is about 1209.7342621589.

The spelling of 1770394056 in words is "one billion, seven hundred seventy million, three hundred ninety-four thousand, fifty-six".