2739825 has 72 divisors (see below), whose sum is σ = 5687136. Its totient is φ = 1296000.

The previous prime is 2739817. The next prime is 2739853. The reversal of 2739825 is 5289372.

It is a happy number.

It is not a de Polignac number, because 2739825 - 2³ = 2739817 is a prime.

Its product of digits (30240) is a multiple of the sum of its prime divisors (60).

It is a self number, because there is not a number n which added to its sum of digits gives 2739825.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66805 + ... + 66845.

It is an arithmetic number, because the mean of its divisors is an integer number (78988).

2^2739825 is an apocalyptic number.

2739825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2739825 is an abundant number, since it is smaller than the sum of its proper divisors (2947311).

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

2739825 is a wasteful number, since it uses less digits than its factorization.

2739825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 60 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2739825 is about 1655.2416741975. The cubic root of 2739825 is about 139.9289605576.

The spelling of 2739825 in words is "two million, seven hundred thirty-nine thousand, eight hundred twenty-five".