7973929 has 2 divisors, whose sum is σ = 7973930. Its totient is φ = 7973928.

The previous prime is 7973921. The next prime is 7973941. The reversal of 7973929 is 9293797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 683929 = 2700^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 7973929 - 2³ = 7973921 is a prime.

It is not a weakly prime, because it can be changed into another prime (7973921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986964 + 3986965.

It is an arithmetic number, because the mean of its divisors is an integer number (3986965).

Almost surely, 2^7973929 is an apocalyptic number.

It is an amenable number.

7973929 is a deficient number, since it is larger than the sum of its proper divisors (1).

7973929 is an equidigital number, since it uses as much as digits as its factorization.

7973929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214326, while the sum is 46.

The square root of 7973929 is about 2823.8146185612. The cubic root of 7973929 is about 199.7825052325.

The spelling of 7973929 in words is "seven million, nine hundred seventy-three thousand, nine hundred twenty-nine".