78083754 has 72 divisors (see below), whose sum is σ = 193188960. Its totient is φ = 20974464.

The previous prime is 78083701. The next prime is 78083767. The reversal of 78083754 is 45738087.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84507 + ... + 85425.

It is an arithmetic number, because the mean of its divisors is an integer number (2683180).

Almost surely, 2^78083754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78083754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96594480).

78083754 is an abundant number, since it is smaller than the sum of its proper divisors (115105206).

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

78083754 is a wasteful number, since it uses less digits than its factorization.

78083754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 78083754 is about 8836.5012306908. The cubic root of 78083754 is about 427.4187417800.

The spelling of 78083754 in words is "seventy-eight million, eighty-three thousand, seven hundred fifty-four".