76906 has 4 divisors (see below), whose sum is σ = 115362. Its totient is φ = 38452.

The previous prime is 76883. The next prime is 76907. The reversal of 76906 is 60967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60967 = 41 ⋅1487.

It can be written as a sum of positive squares in only one way, i.e., 65025 + 11881 = 255^2 + 109^2 .

It is not an unprimeable number, because it can be changed into a prime (76907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19225 + ... + 19228.

2⁷⁶⁹⁰⁶ is an apocalyptic number.

76906 is a deficient number, since it is larger than the sum of its proper divisors (38456).

76906 is a wasteful number, since it uses less digits than its factorization.

76906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38455.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 76906 is about 277.3193105429. The cubic root of 76906 is about 42.5258896466.

The spelling of 76906 in words is "seventy-six thousand, nine hundred six".