76443941 has 4 divisors (see below), whose sum is σ = 87364512. Its totient is φ = 65523372.

The previous prime is 76443931. The next prime is 76443943. The reversal of 76443941 is 14934467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76443941 - 2²² = 72249637 is a prime.

It is a super-2 number, since 2×76443941² = 11687352231222962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76443895 and 76443904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76443943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460275 + ... + 5460288.

It is an arithmetic number, because the mean of its divisors is an integer number (21841128).

Almost surely, 2^76443941 is an apocalyptic number.

It is an amenable number.

76443941 is a deficient number, since it is larger than the sum of its proper divisors (10920571).

76443941 is a wasteful number, since it uses less digits than its factorization.

76443941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920570.

The product of its digits is 72576, while the sum is 38.

The square root of 76443941 is about 8743.2225752293. Note that the first 3 decimals coincide. The cubic root of 76443941 is about 424.4055190133.

The spelling of 76443941 in words is "seventy-six million, four hundred forty-three thousand, nine hundred forty-one".