30070457 has 2 divisors, whose sum is σ = 30070458. Its totient is φ = 30070456.

The previous prime is 30070429. The next prime is 30070489. The reversal of 30070457 is 75407003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 6295081 = 4876^2 + 2509^2 .

It is a cyclic number.

It is not a de Polignac number, because 30070457 - 2¹⁶ = 30004921 is a prime.

It is not a weakly prime, because it can be changed into another prime (30070057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15035228 + 15035229.

It is an arithmetic number, because the mean of its divisors is an integer number (15035229).

Almost surely, 2^30070457 is an apocalyptic number.

It is an amenable number.

30070457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30070457 is an equidigital number, since it uses as much as digits as its factorization.

30070457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 30070457 is about 5483.6536177990. The cubic root of 30070457 is about 310.9663118357.

The spelling of 30070457 in words is "thirty million, seventy thousand, four hundred fifty-seven".