78835374 has 24 divisors (see below), whose sum is σ = 174977712. Its totient is φ = 25637280.

The previous prime is 78835373. The next prime is 78835381. The reversal of 78835374 is 47353887.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78835373) 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, 52674 + ... + 54149.

It is an arithmetic number, because the mean of its divisors is an integer number (7290738).

Almost surely, 2^78835374 is an apocalyptic number.

78835374 is an abundant number, since it is smaller than the sum of its proper divisors (96142338).

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

78835374 is a wasteful number, since it uses less digits than its factorization.

78835374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106872 (or 106869 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 78835374 is about 8878.9286515885. The cubic root of 78835374 is about 428.7857831513.

The spelling of 78835374 in words is "seventy-eight million, eight hundred thirty-five thousand, three hundred seventy-four".