1402432704 has 98 divisors (see below), whose sum is σ = 4172658660. Its totient is φ = 467462016.

The previous prime is 1402432673. The next prime is 1402432709. The reversal of 1402432704 is 4072342041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1402432709) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 31627 + ... + 61685.

Almost surely, 2^1402432704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402432704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086329330).

1402432704 is an abundant number, since it is smaller than the sum of its proper divisors (2770225956).

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

1402432704 is an frugal number, since it uses more digits than its factorization.

1402432704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30089 (or 30064 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1402432704 is about 37449.0681325984. The cubic root of 1402432704 is about 1119.3365288159.

Adding to 1402432704 its reverse (4072342041), we get a palindrome (5474774745).

The spelling of 1402432704 in words is "one billion, four hundred two million, four hundred thirty-two thousand, seven hundred four".