30746987 has 2 divisors, whose sum is σ = 30746988. Its totient is φ = 30746986.

The previous prime is 30746981. The next prime is 30747019. The reversal of 30746987 is 78964703.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30746987 - 2¹⁶ = 30681451 is a prime.

It is not a weakly prime, because it can be changed into another prime (30746981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15373493 + 15373494.

It is an arithmetic number, because the mean of its divisors is an integer number (15373494).

Almost surely, 2^30746987 is an apocalyptic number.

30746987 is a deficient number, since it is larger than the sum of its proper divisors (1).

30746987 is an equidigital number, since it uses as much as digits as its factorization.

30746987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 30746987 is about 5544.9965734886. The cubic root of 30746987 is about 313.2810949834.

The spelling of 30746987 in words is "thirty million, seven hundred forty-six thousand, nine hundred eighty-seven".