1401730 has 16 divisors (see below), whose sum is σ = 2752704. Its totient is φ = 509680.

The previous prime is 1401721. The next prime is 1401737. The reversal of 1401730 is 371041.

It is not an unprimeable number, because it can be changed into a prime (1401737) 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, 6262 + ... + 6481.

It is an arithmetic number, because the mean of its divisors is an integer number (172044).

2^1401730 is an apocalyptic number.

1401730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401730 is a deficient number, since it is larger than the sum of its proper divisors (1350974).

1401730 is a wasteful number, since it uses less digits than its factorization.

1401730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1401730 is about 1183.9467893449. The cubic root of 1401730 is about 111.9149545711.

Adding to 1401730 its reverse (371041), we get a palindrome (1772771).

The spelling of 1401730 in words is "one million, four hundred one thousand, seven hundred thirty".