2661472 has 24 divisors (see below), whose sum is σ = 5716872. Its totient is φ = 1209600.

The previous prime is 2661457. The next prime is 2661473. The reversal of 2661472 is 2741662.

It is a d-powerful number, because it can be written as 2³ + 6⁷ + 6⁷ + 1 + 4⁶ + 7³ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2661472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661473) 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, 3429 + ... + 4132.

It is an arithmetic number, because the mean of its divisors is an integer number (238203).

2^2661472 is an apocalyptic number.

2661472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2661472 is an abundant number, since it is smaller than the sum of its proper divisors (3055400).

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

2661472 is a wasteful number, since it uses less digits than its factorization.

2661472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582 (or 7574 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 2661472 is about 1631.4018511697. The cubic root of 2661472 is about 138.5821518204.

The spelling of 2661472 in words is "two million, six hundred sixty-one thousand, four hundred seventy-two".