745161979 has 2 divisors, whose sum is σ = 745161980. Its totient is φ = 745161978.

The previous prime is 745161953. The next prime is 745161983. The reversal of 745161979 is 979161547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745161979 - 2⁵ = 745161947 is a prime.

It is not a weakly prime, because it can be changed into another prime (745161919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372580989 + 372580990.

It is an arithmetic number, because the mean of its divisors is an integer number (372580990).

Almost surely, 2^745161979 is an apocalyptic number.

745161979 is a deficient number, since it is larger than the sum of its proper divisors (1).

745161979 is an equidigital number, since it uses as much as digits as its factorization.

745161979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 49.

The square root of 745161979 is about 27297.6551923421. The cubic root of 745161979 is about 906.6024655527.

The spelling of 745161979 in words is "seven hundred forty-five million, one hundred sixty-one thousand, nine hundred seventy-nine".