1472640 has 128 divisors (see below), whose sum is σ = 5140800. Its totient is φ = 356352.

The previous prime is 1472623. The next prime is 1472657. The reversal of 1472640 is 462741.

It is an interprime number because it is at equal distance from previous prime (1472623) and next prime (1472657).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1472640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24931 + ... + 24989.

2^1472640 is an apocalyptic number.

1472640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1472640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570400).

1472640 is an abundant number, since it is smaller than the sum of its proper divisors (3668160).

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

1472640 is a wasteful number, since it uses less digits than its factorization.

1472640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1472640 is about 1213.5237945751. The cubic root of 1472640 is about 113.7711629907.

It can be divided in two parts, 1472 and 640, that added together give a palindrome (2112).

The spelling of 1472640 in words is "one million, four hundred seventy-two thousand, six hundred forty".