79650673 has 2 divisors, whose sum is σ = 79650674. Its totient is φ = 79650672.

The previous prime is 79650671. The next prime is 79650691. The reversal of 79650673 is 37605697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78357904 + 1292769 = 8852^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 79650673 - 2¹ = 79650671 is a prime.

Together with 79650671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79650671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39825336 + 39825337.

It is an arithmetic number, because the mean of its divisors is an integer number (39825337).

Almost surely, 2^79650673 is an apocalyptic number.

It is an amenable number.

79650673 is a deficient number, since it is larger than the sum of its proper divisors (1).

79650673 is an equidigital number, since it uses as much as digits as its factorization.

79650673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 79650673 is about 8924.7225727190. The cubic root of 79650673 is about 430.2588544176.

The spelling of 79650673 in words is "seventy-nine million, six hundred fifty thousand, six hundred seventy-three".