70502947 has 2 divisors, whose sum is σ = 70502948. Its totient is φ = 70502946.

The previous prime is 70502911. The next prime is 70502953. The reversal of 70502947 is 74920507.

It is a strong prime.

It is an emirp because it is prime and its reverse (74920507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70502947 - 2¹⁹ = 69978659 is a prime.

It is not a weakly prime, because it can be changed into another prime (70502987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35251473 + 35251474.

It is an arithmetic number, because the mean of its divisors is an integer number (35251474).

Almost surely, 2^70502947 is an apocalyptic number.

70502947 is a deficient number, since it is larger than the sum of its proper divisors (1).

70502947 is an equidigital number, since it uses as much as digits as its factorization.

70502947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 70502947 is about 8396.6033013356. The cubic root of 70502947 is about 413.1132173623.

The spelling of 70502947 in words is "seventy million, five hundred two thousand, nine hundred forty-seven".