76946143 has 12 divisors (see below), whose sum is σ = 82011880. Its totient is φ = 71992800.

The previous prime is 76946141. The next prime is 76946159. The reversal of 76946143 is 34164967.

It is not a de Polignac number, because 76946143 - 2¹ = 76946141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76946096 and 76946105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76946141) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193621 + ... + 194017.

Almost surely, 2^76946143 is an apocalyptic number.

76946143 is a deficient number, since it is larger than the sum of its proper divisors (5065737).

76946143 is a wasteful number, since it uses less digits than its factorization.

76946143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 517 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 76946143 is about 8771.8950632118. The cubic root of 76946143 is about 425.3328750832.

The spelling of 76946143 in words is "seventy-six million, nine hundred forty-six thousand, one hundred forty-three".