1630752 has 24 divisors (see below), whose sum is σ = 4280976. Its totient is φ = 543552.

The previous prime is 1630721. The next prime is 1630763. The reversal of 1630752 is 2570361.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8398 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (178374).

2^1630752 is an apocalyptic number.

1630752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630752 is an abundant number, since it is smaller than the sum of its proper divisors (2650224).

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

1630752 is a wasteful number, since it uses less digits than its factorization.

1630752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000 (or 16992 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1630752 is about 1277.0090054498. The cubic root of 1630752 is about 117.7052877241.

The spelling of 1630752 in words is "one million, six hundred thirty thousand, seven hundred fifty-two".