2679740 has 24 divisors (see below), whose sum is σ = 6431712. Its totient is φ = 918720.

The previous prime is 2679737. The next prime is 2679749. The reversal of 2679740 is 479762.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2679740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9431 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (267988).

2^2679740 is an apocalyptic number.

2679740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2679740 is an abundant number, since it is smaller than the sum of its proper divisors (3751972).

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

2679740 is a wasteful number, since it uses less digits than its factorization.

2679740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19157 (or 19155 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2679740 is about 1636.9911423096. The cubic root of 2679740 is about 138.8984991276.

The spelling of 2679740 in words is "two million, six hundred seventy-nine thousand, seven hundred forty".