766040146 has 16 divisors (see below), whose sum is σ = 1183612248. Its totient is φ = 371606400.

The previous prime is 766040131. The next prime is 766040147. The reversal of 766040146 is 641040667.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 165251025 + 600789121 = 12855^2 + 24511^2 .

It is not an unprimeable number, because it can be changed into a prime (766040147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10965 + ... + 40648.

Almost surely, 2^766040146 is an apocalyptic number.

766040146 is a deficient number, since it is larger than the sum of its proper divisors (417572102).

766040146 is a wasteful number, since it uses less digits than its factorization.

766040146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51837.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 766040146 is about 27677.4302636643. The cubic root of 766040146 is about 914.9917468673.

The spelling of 766040146 in words is "seven hundred sixty-six million, forty thousand, one hundred forty-six".