70474661 has 2 divisors, whose sum is σ = 70474662. Its totient is φ = 70474660.

The previous prime is 70474637. The next prime is 70474693. The reversal of 70474661 is 16647407.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49084036 + 21390625 = 7006^2 + 4625^2 .

It is a cyclic number.

It is not a de Polignac number, because 70474661 - 2¹⁴ = 70458277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70474861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237330 + 35237331.

It is an arithmetic number, because the mean of its divisors is an integer number (35237331).

Almost surely, 2^70474661 is an apocalyptic number.

It is an amenable number.

70474661 is a deficient number, since it is larger than the sum of its proper divisors (1).

70474661 is an equidigital number, since it uses as much as digits as its factorization.

70474661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 70474661 is about 8394.9187607743. The cubic root of 70474661 is about 413.0579625395.

The spelling of 70474661 in words is "seventy million, four hundred seventy-four thousand, six hundred sixty-one".