73965413 has 2 divisors, whose sum is σ = 73965414. Its totient is φ = 73965412.

The previous prime is 73965391. The next prime is 73965427. The reversal of 73965413 is 31456937.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 2765569 = 8438^2 + 1663^2 .

It is an emirp because it is prime and its reverse (31456937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73965413 - 2¹² = 73961317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73965443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36982706 + 36982707.

It is an arithmetic number, because the mean of its divisors is an integer number (36982707).

Almost surely, 2^73965413 is an apocalyptic number.

It is an amenable number.

73965413 is a deficient number, since it is larger than the sum of its proper divisors (1).

73965413 is an equidigital number, since it uses as much as digits as its factorization.

73965413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 73965413 is about 8600.3147035443. The cubic root of 73965413 is about 419.7682262404.

The spelling of 73965413 in words is "seventy-three million, nine hundred sixty-five thousand, four hundred thirteen".