70749307 has 2 divisors, whose sum is σ = 70749308. Its totient is φ = 70749306.

The previous prime is 70749281. The next prime is 70749353. The reversal of 70749307 is 70394707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70749307 - 2¹⁹ = 70225019 is a prime.

It is not a weakly prime, because it can be changed into another prime (70749377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35374653 + 35374654.

It is an arithmetic number, because the mean of its divisors is an integer number (35374654).

Almost surely, 2^70749307 is an apocalyptic number.

70749307 is a deficient number, since it is larger than the sum of its proper divisors (1).

70749307 is an equidigital number, since it uses as much as digits as its factorization.

70749307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 70749307 is about 8411.2607259554. The cubic root of 70749307 is about 413.5938415148.

The spelling of 70749307 in words is "seventy million, seven hundred forty-nine thousand, three hundred seven".