76426645 has 32 divisors (see below), whose sum is σ = 105062400. Its totient is φ = 53001216.

The previous prime is 76426639. The next prime is 76426657. The reversal of 76426645 is 54662467.

76426645 = T₂₀₁₄ + T₂₀₁₅ + ... + T₂₀₅₀.

It is a cyclic number.

It is not a de Polignac number, because 76426645 - 2⁷ = 76426517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76426598 and 76426607.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 59116 + ... + 60394.

It is an arithmetic number, because the mean of its divisors is an integer number (3283200).

Almost surely, 2^76426645 is an apocalyptic number.

It is an amenable number.

76426645 is a deficient number, since it is larger than the sum of its proper divisors (28635755).

76426645 is a wasteful number, since it uses less digits than its factorization.

76426645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its digits is 241920, while the sum is 40.

The square root of 76426645 is about 8742.2334102905. The cubic root of 76426645 is about 424.3735083161.

The spelling of 76426645 in words is "seventy-six million, four hundred twenty-six thousand, six hundred forty-five".