73626947 has 2 divisors, whose sum is σ = 73626948. Its totient is φ = 73626946.

The previous prime is 73626907. The next prime is 73626967. The reversal of 73626947 is 74962637.

It is a happy number.

It is a strong prime.

73626947 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 73626947 - 2²⁰ = 72578371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73626898 and 73626907.

It is not a weakly prime, because it can be changed into another prime (73626907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36813473 + 36813474.

It is an arithmetic number, because the mean of its divisors is an integer number (36813474).

Almost surely, 2^73626947 is an apocalyptic number.

73626947 is a deficient number, since it is larger than the sum of its proper divisors (1).

73626947 is an equidigital number, since it uses as much as digits as its factorization.

73626947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 73626947 is about 8580.6146050268. The cubic root of 73626947 is about 419.1269601193.

The spelling of 73626947 in words is "seventy-three million, six hundred twenty-six thousand, nine hundred forty-seven".