1630074 has 16 divisors (see below), whose sum is σ = 3275712. Its totient is φ = 540768.

The previous prime is 1630051. The next prime is 1630091. The reversal of 1630074 is 4700361.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630074.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062 + ... + 2094.

It is an arithmetic number, because the mean of its divisors is an integer number (204732).

2^1630074 is an apocalyptic number.

1630074 is an abundant number, since it is smaller than the sum of its proper divisors (1645638).

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

1630074 is a wasteful number, since it uses less digits than its factorization.

1630074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1630074 is about 1276.7435137881. The cubic root of 1630074 is about 117.6889731144.

It can be divided in two parts, 16 and 30074, that multiplied together give a palindrome (481184).

The spelling of 1630074 in words is "one million, six hundred thirty thousand, seventy-four".