70379783 has 2 divisors, whose sum is σ = 70379784. Its totient is φ = 70379782.

The previous prime is 70379773. The next prime is 70379791. The reversal of 70379783 is 38797307.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70379783 - 2⁶ = 70379719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70379773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35189891 + 35189892.

It is an arithmetic number, because the mean of its divisors is an integer number (35189892).

Almost surely, 2^70379783 is an apocalyptic number.

70379783 is a deficient number, since it is larger than the sum of its proper divisors (1).

70379783 is an equidigital number, since it uses as much as digits as its factorization.

70379783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 70379783 is about 8389.2659392822. The cubic root of 70379783 is about 412.8725166273.

The spelling of 70379783 in words is "seventy million, three hundred seventy-nine thousand, seven hundred eighty-three".