73406147 has 2 divisors, whose sum is σ = 73406148. Its totient is φ = 73406146.

The previous prime is 73406029. The next prime is 73406161. The reversal of 73406147 is 74160437.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73406147 - 2²⁶ = 6297283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73406167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36703073 + 36703074.

It is an arithmetic number, because the mean of its divisors is an integer number (36703074).

Almost surely, 2^73406147 is an apocalyptic number.

73406147 is a deficient number, since it is larger than the sum of its proper divisors (1).

73406147 is an equidigital number, since it uses as much as digits as its factorization.

73406147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 73406147 is about 8567.7387331781. The cubic root of 73406147 is about 418.7075670377.

The spelling of 73406147 in words is "seventy-three million, four hundred six thousand, one hundred forty-seven".