70550687 has 2 divisors, whose sum is σ = 70550688. Its totient is φ = 70550686.

The previous prime is 70550681. The next prime is 70550693. The reversal of 70550687 is 78605507.

It is a balanced prime because it is at equal distance from previous prime (70550681) and next prime (70550693).

It is a cyclic number.

It is not a de Polignac number, because 70550687 - 2¹² = 70546591 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70550687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70550681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35275343 + 35275344.

It is an arithmetic number, because the mean of its divisors is an integer number (35275344).

Almost surely, 2^70550687 is an apocalyptic number.

70550687 is a deficient number, since it is larger than the sum of its proper divisors (1).

70550687 is an equidigital number, since it uses as much as digits as its factorization.

70550687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 70550687 is about 8399.4456364691. The cubic root of 70550687 is about 413.2064407713.

The spelling of 70550687 in words is "seventy million, five hundred fifty thousand, six hundred eighty-seven".