70382749 has 2 divisors, whose sum is σ = 70382750. Its totient is φ = 70382748.

The previous prime is 70382747. The next prime is 70382777. The reversal of 70382749 is 94728307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65124900 + 5257849 = 8070^2 + 2293^2 .

It is a cyclic number.

It is not a de Polignac number, because 70382749 - 2¹ = 70382747 is a prime.

Together with 70382747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70382743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35191374 + 35191375.

It is an arithmetic number, because the mean of its divisors is an integer number (35191375).

Almost surely, 2^70382749 is an apocalyptic number.

It is an amenable number.

70382749 is a deficient number, since it is larger than the sum of its proper divisors (1).

70382749 is an equidigital number, since it uses as much as digits as its factorization.

70382749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 70382749 is about 8389.4427109314. The cubic root of 70382749 is about 412.8783164117.

The spelling of 70382749 in words is "seventy million, three hundred eighty-two thousand, seven hundred forty-nine".