2870739 has 24 divisors (see below), whose sum is σ = 4548960. Its totient is φ = 1736448.

The previous prime is 2870717. The next prime is 2870753. The reversal of 2870739 is 9370782.

It is not a de Polignac number, because 2870739 - 2⁷ = 2870611 is a prime.

It is a super-2 number, since 2×2870739² = 16482284812242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2870789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4114 + ... + 4760.

It is an arithmetic number, because the mean of its divisors is an integer number (189540).

2^2870739 is an apocalyptic number.

2870739 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2870739 is a deficient number, since it is larger than the sum of its proper divisors (1678221).

2870739 is a wasteful number, since it uses less digits than its factorization.

2870739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2870739 is about 1694.3255295249. The cubic root of 2870739 is about 142.1230666237.

The spelling of 2870739 in words is "two million, eight hundred seventy thousand, seven hundred thirty-nine".