1461730 has 8 divisors (see below), whose sum is σ = 2631132. Its totient is φ = 584688.

The previous prime is 1461709. The next prime is 1461731. The reversal of 1461730 is 371641.

It can be written as a sum of positive squares in 2 ways, for example, as 1461681 + 49 = 1209^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1461731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73077 + ... + 73096.

2^1461730 is an apocalyptic number.

1461730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1461730 is a deficient number, since it is larger than the sum of its proper divisors (1169402).

1461730 is a wasteful number, since it uses less digits than its factorization.

1461730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146180.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1461730 is about 1209.0202645117. The cubic root of 1461730 is about 113.4895097914.

It can be divided in two parts, 1461 and 730, that multiplied together give a triangular number (1066530 = T₁₄₆₀).

The spelling of 1461730 in words is "one million, four hundred sixty-one thousand, seven hundred thirty".