1672270256 has 40 divisors (see below), whose sum is σ = 3421060800. Its totient is φ = 789687360.

The previous prime is 1672270253. The next prime is 1672270267. The reversal of 1672270256 is 6520722761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1672270253) 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, 92315 + ... + 108933.

It is an arithmetic number, because the mean of its divisors is an integer number (85526520).

Almost surely, 2^1672270256 is an apocalyptic number.

1672270256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672270256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710530400).

1672270256 is an abundant number, since it is smaller than the sum of its proper divisors (1748790544).

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

1672270256 is a wasteful number, since it uses less digits than its factorization.

1672270256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16977 (or 16971 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 1672270256 is about 40893.4011302557. The cubic root of 1672270256 is about 1186.9583730680.

The spelling of 1672270256 in words is "one billion, six hundred seventy-two million, two hundred seventy thousand, two hundred fifty-six".