76840670 has 16 divisors (see below), whose sum is σ = 139371408. Its totient is φ = 30501120.

The previous prime is 76840669. The next prime is 76840679. The reversal of 76840670 is 7604867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76840679) 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, 28019 + ... + 30638.

It is an arithmetic number, because the mean of its divisors is an integer number (8710713).

Almost surely, 2^76840670 is an apocalyptic number.

76840670 is a deficient number, since it is larger than the sum of its proper divisors (62530738).

76840670 is a wasteful number, since it uses less digits than its factorization.

76840670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58795.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 76840670 is about 8765.8810167604. The cubic root of 76840670 is about 425.1384462449.

The spelling of 76840670 in words is "seventy-six million, eight hundred forty thousand, six hundred seventy".