1630772 has 24 divisors (see below), whose sum is σ = 3353952. Its totient is φ = 684000.

The previous prime is 1630771. The next prime is 1630777. The reversal of 1630772 is 2770361.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630771) 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, 854 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (139748).

2^1630772 is an apocalyptic number.

It is an amenable number.

1630772 is an abundant number, since it is smaller than the sum of its proper divisors (1723180).

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

1630772 is a wasteful number, since it uses less digits than its factorization.

1630772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2877 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1630772 is about 1277.0168362242. The cubic root of 1630772 is about 117.7057689124.

The spelling of 1630772 in words is "one million, six hundred thirty thousand, seven hundred seventy-two".