73847961 has 12 divisors (see below), whose sum is σ = 116366640. Its totient is φ = 44756280.

The previous prime is 73847959. The next prime is 73847981. The reversal of 73847961 is 16974837.

It is not a de Polignac number, because 73847961 - 2¹ = 73847959 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73847911) 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 in 11 ways as a sum of consecutive naturals, for example, 372871 + ... + 373068.

It is an arithmetic number, because the mean of its divisors is an integer number (9697220).

Almost surely, 2^73847961 is an apocalyptic number.

It is an amenable number.

73847961 is a deficient number, since it is larger than the sum of its proper divisors (42518679).

73847961 is a wasteful number, since it uses less digits than its factorization.

73847961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745956 (or 745953 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 73847961 is about 8593.4836358720. The cubic root of 73847961 is about 419.5459208180.

The spelling of 73847961 in words is "seventy-three million, eight hundred forty-seven thousand, nine hundred sixty-one".