7399961 has 2 divisors, whose sum is σ = 7399962. Its totient is φ = 7399960.

The previous prime is 7399933. The next prime is 7399993. The reversal of 7399961 is 1699937.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4177936 + 3222025 = 2044^2 + 1795^2 .

It is an emirp because it is prime and its reverse (1699937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7399961 - 2⁶ = 7399897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7399661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3699980 + 3699981.

It is an arithmetic number, because the mean of its divisors is an integer number (3699981).

Almost surely, 2^7399961 is an apocalyptic number.

It is an amenable number.

7399961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7399961 is an equidigital number, since it uses as much as digits as its factorization.

7399961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 44.

The square root of 7399961 is about 2720.2869333951. The cubic root of 7399961 is about 194.8691736985.

The spelling of 7399961 in words is "seven million, three hundred ninety-nine thousand, nine hundred sixty-one".