78733734 has 8 divisors (see below), whose sum is σ = 157467480. Its totient is φ = 26244576.

The previous prime is 78733661. The next prime is 78733747. The reversal of 78733734 is 43733787.

It is a sphenic number, since it is the product of 3 distinct primes.

78733734 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6561139 + ... + 6561150.

It is an arithmetic number, because the mean of its divisors is an integer number (19683435).

Almost surely, 2^78733734 is an apocalyptic number.

78733734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78733734 is a wasteful number, since it uses less digits than its factorization.

78733734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13122294.

The product of its digits is 296352, while the sum is 42.

The square root of 78733734 is about 8873.2031420452. The cubic root of 78733734 is about 428.6014305029.

The spelling of 78733734 in words is "seventy-eight million, seven hundred thirty-three thousand, seven hundred thirty-four".