70922477 has 2 divisors, whose sum is σ = 70922478. Its totient is φ = 70922476.

The previous prime is 70922473. The next prime is 70922519. The reversal of 70922477 is 77422907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44769481 + 26152996 = 6691^2 + 5114^2 .

It is a cyclic number.

It is not a de Polignac number, because 70922477 - 2² = 70922473 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 70922477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70922473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35461238 + 35461239.

It is an arithmetic number, because the mean of its divisors is an integer number (35461239).

Almost surely, 2^70922477 is an apocalyptic number.

It is an amenable number.

70922477 is a deficient number, since it is larger than the sum of its proper divisors (1).

70922477 is an equidigital number, since it uses as much as digits as its factorization.

70922477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 70922477 is about 8421.5483730725. The cubic root of 70922477 is about 413.9310117879.

The spelling of 70922477 in words is "seventy million, nine hundred twenty-two thousand, four hundred seventy-seven".