1402747 has 8 divisors (see below), whose sum is σ = 1486080. Its totient is φ = 1321320.

The previous prime is 1402727. The next prime is 1402763. The reversal of 1402747 is 7472041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402747 is a prime.

It is a Duffinian number.

1402747 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1402727) 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, 1204 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (185760).

2^1402747 is an apocalyptic number.

1402747 is a deficient number, since it is larger than the sum of its proper divisors (83333).

1402747 is an equidigital number, since it uses as much as digits as its factorization.

1402747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1402747 is about 1184.3762071234. The cubic root of 1402747 is about 111.9420139891.

Adding to 1402747 its reverse (7472041), we get a palindrome (8874788).

The spelling of 1402747 in words is "one million, four hundred two thousand, seven hundred forty-seven".