76749678 has 24 divisors (see below), whose sum is σ = 169111800. Its totient is φ = 25149264.

The previous prime is 76749677. The next prime is 76749733. The reversal of 76749678 is 87694767.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76749677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35073 + ... + 37196.

It is an arithmetic number, because the mean of its divisors is an integer number (7046325).

Almost surely, 2^76749678 is an apocalyptic number.

76749678 is an abundant number, since it is smaller than the sum of its proper divisors (92362122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76749678 is a wasteful number, since it uses less digits than its factorization.

76749678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72336 (or 72333 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 76749678 is about 8760.6893564377. The cubic root of 76749678 is about 424.9705686655.

The spelling of 76749678 in words is "seventy-six million, seven hundred forty-nine thousand, six hundred seventy-eight".