30676761 has 12 divisors (see below), whose sum is σ = 44359380. Its totient is φ = 20428800.

The previous prime is 30676753. The next prime is 30676769. The reversal of 30676761 is 16767603.

It is an interprime number because it is at equal distance from previous prime (30676753) and next prime (30676769).

It can be written as a sum of positive squares in 2 ways, for example, as 22382361 + 8294400 = 4731^2 + 2880^2 .

It is not a de Polignac number, because 30676761 - 2³ = 30676753 is a prime.

It is a super-2 number, since 2×30676761² = 1882127330902242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30676769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13345 + ... + 15473.

It is an arithmetic number, because the mean of its divisors is an integer number (3696615).

Almost surely, 2^30676761 is an apocalyptic number.

It is an amenable number.

30676761 is a deficient number, since it is larger than the sum of its proper divisors (13682619).

30676761 is a wasteful number, since it uses less digits than its factorization.

30676761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 30676761 is about 5538.6605781543. The cubic root of 30676761 is about 313.0424022281.

The spelling of 30676761 in words is "thirty million, six hundred seventy-six thousand, seven hundred sixty-one".