2735731 has 2 divisors, whose sum is σ = 2735732. Its totient is φ = 2735730.

The previous prime is 2735723. The next prime is 2735737. The reversal of 2735731 is 1375372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2735731 - 2³ = 2735723 is a prime.

It is a super-2 number, since 2×2735731² = 14968448208722, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2735731.

It is not a weakly prime, because it can be changed into another prime (2735737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367865 + 1367866.

It is an arithmetic number, because the mean of its divisors is an integer number (1367866).

2^2735731 is an apocalyptic number.

2735731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2735731 is an equidigital number, since it uses as much as digits as its factorization.

2735731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 28.

The square root of 2735731 is about 1654.0045344557. The cubic root of 2735731 is about 139.8592292500.

The spelling of 2735731 in words is "two million, seven hundred thirty-five thousand, seven hundred thirty-one".