2472787 has 4 divisors (see below), whose sum is σ = 2476296. Its totient is φ = 2469280.

The previous prime is 2472781. The next prime is 2472791. The reversal of 2472787 is 7872742.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2472787 - 2¹¹ = 2470739 is a prime.

It is a super-2 number, since 2×2472787² = 12229351094738, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 4⁵ + 7² + 2¹⁷ + 7⁶ + 8⁷ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2472781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289 + ... + 2242.

It is an arithmetic number, because the mean of its divisors is an integer number (619074).

2^2472787 is an apocalyptic number.

2472787 is a deficient number, since it is larger than the sum of its proper divisors (3509).

2472787 is an equidigital number, since it uses as much as digits as its factorization.

2472787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508.

The product of its digits is 43904, while the sum is 37.

The square root of 2472787 is about 1572.5097773941. The cubic root of 2472787 is about 135.2266334970.

The spelling of 2472787 in words is "two million, four hundred seventy-two thousand, seven hundred eighty-seven".