70542349 has 2 divisors, whose sum is σ = 70542350. Its totient is φ = 70542348.

The previous prime is 70542343. The next prime is 70542371. The reversal of 70542349 is 94324507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 15856324 = 7395^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 70542349 - 2¹⁵ = 70509581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70542343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35271174 + 35271175.

It is an arithmetic number, because the mean of its divisors is an integer number (35271175).

Almost surely, 2^70542349 is an apocalyptic number.

It is an amenable number.

70542349 is a deficient number, since it is larger than the sum of its proper divisors (1).

70542349 is an equidigital number, since it uses as much as digits as its factorization.

70542349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 70542349 is about 8398.9492795230. The cubic root of 70542349 is about 413.1901619266.

The spelling of 70542349 in words is "seventy million, five hundred forty-two thousand, three hundred forty-nine".