2720734 has 4 divisors (see below), whose sum is σ = 4081104. Its totient is φ = 1360366.

The previous prime is 2720723. The next prime is 2720737. The reversal of 2720734 is 4370272.

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

It is a super-3 number, since 3×2720734³ = 60419831020333220712, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2720699 and 2720708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680182 + ... + 680185.

It is an arithmetic number, because the mean of its divisors is an integer number (1020276).

2^2720734 is an apocalyptic number.

2720734 is a deficient number, since it is larger than the sum of its proper divisors (1360370).

2720734 is a wasteful number, since it uses less digits than its factorization.

2720734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360369.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 2720734 is about 1649.4647616727. The cubic root of 2720734 is about 139.6031961239.

The spelling of 2720734 in words is "two million, seven hundred twenty thousand, seven hundred thirty-four".