70906049 has 2 divisors, whose sum is σ = 70906050. Its totient is φ = 70906048.

The previous prime is 70906037. The next prime is 70906061. The reversal of 70906049 is 94060907.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (70906037) and next prime (70906061).

It can be written as a sum of positive squares in only one way, i.e., 59783824 + 11122225 = 7732^2 + 3335^2 .

It is an emirp because it is prime and its reverse (94060907) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70906049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70906009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35453024 + 35453025.

It is an arithmetic number, because the mean of its divisors is an integer number (35453025).

Almost surely, 2^70906049 is an apocalyptic number.

It is an amenable number.

70906049 is a deficient number, since it is larger than the sum of its proper divisors (1).

70906049 is an equidigital number, since it uses as much as digits as its factorization.

70906049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 70906049 is about 8420.5729615033. The cubic root of 70906049 is about 413.8990492655.

The spelling of 70906049 in words is "seventy million, nine hundred six thousand, forty-nine".