732649979 has 2 divisors, whose sum is σ = 732649980. Its totient is φ = 732649978.

The previous prime is 732649963. The next prime is 732650041. The reversal of 732649979 is 979946237.

It is a weak prime.

It is an emirp because it is prime and its reverse (979946237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 732649979 - 2⁴ = 732649963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (732649949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366324989 + 366324990.

It is an arithmetic number, because the mean of its divisors is an integer number (366324990).

Almost surely, 2^732649979 is an apocalyptic number.

732649979 is a deficient number, since it is larger than the sum of its proper divisors (1).

732649979 is an equidigital number, since it uses as much as digits as its factorization.

732649979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 56.

The square root of 732649979 is about 27067.5078091796. The cubic root of 732649979 is about 901.4995490864.

The spelling of 732649979 in words is "seven hundred thirty-two million, six hundred forty-nine thousand, nine hundred seventy-nine".