70904663 has 2 divisors, whose sum is σ = 70904664. Its totient is φ = 70904662.

The previous prime is 70904641. The next prime is 70904677. The reversal of 70904663 is 36640907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70904663 - 2¹⁰ = 70903639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70904563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35452331 + 35452332.

It is an arithmetic number, because the mean of its divisors is an integer number (35452332).

Almost surely, 2^70904663 is an apocalyptic number.

70904663 is a deficient number, since it is larger than the sum of its proper divisors (1).

70904663 is an equidigital number, since it uses as much as digits as its factorization.

70904663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 70904663 is about 8420.4906626633. The cubic root of 70904663 is about 413.8963524208.

The spelling of 70904663 in words is "seventy million, nine hundred four thousand, six hundred sixty-three".