73923947 has 2 divisors, whose sum is σ = 73923948. Its totient is φ = 73923946.

The previous prime is 73923937. The next prime is 73923959. The reversal of 73923947 is 74932937.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73923947 - 2¹² = 73919851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73923898 and 73923907.

It is not a weakly prime, because it can be changed into another prime (73923907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36961973 + 36961974.

It is an arithmetic number, because the mean of its divisors is an integer number (36961974).

Almost surely, 2^73923947 is an apocalyptic number.

73923947 is a deficient number, since it is larger than the sum of its proper divisors (1).

73923947 is an equidigital number, since it uses as much as digits as its factorization.

73923947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 44.

The square root of 73923947 is about 8597.9036398415. The cubic root of 73923947 is about 419.6897690161.

The spelling of 73923947 in words is "seventy-three million, nine hundred twenty-three thousand, nine hundred forty-seven".