1403072 has 28 divisors (see below), whose sum is σ = 3038856. Its totient is φ = 637440.

The previous prime is 1403071. The next prime is 1403081. The reversal of 1403072 is 2703041.

It is a happy number.

It is a super-2 number, since 2×1403072² = 3937222074368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1403072.

It is not an unprimeable number, because it can be changed into a prime (1403071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293 + ... + 1700.

2^1403072 is an apocalyptic number.

It is an amenable number.

1403072 is an abundant number, since it is smaller than the sum of its proper divisors (1635784).

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

1403072 is a wasteful number, since it uses less digits than its factorization.

1403072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1403072 is about 1184.5134022036. The cubic root of 1403072 is about 111.9506585380.

The spelling of 1403072 in words is "one million, four hundred three thousand, seventy-two".