78038704 has 40 divisors (see below), whose sum is σ = 161574480. Its totient is φ = 36384768.

The previous prime is 78038699. The next prime is 78038707. The reversal of 78038704 is 40783087.

It is not an unprimeable number, because it can be changed into a prime (78038707) 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, 29467 + ... + 32005.

It is an arithmetic number, because the mean of its divisors is an integer number (4039362).

Almost surely, 2^78038704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78038704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80787240).

78038704 is an abundant number, since it is smaller than the sum of its proper divisors (83535776).

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

78038704 is a wasteful number, since it uses less digits than its factorization.

78038704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2671 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 78038704 is about 8833.9517770927. The cubic root of 78038704 is about 427.3365269890.

It can be divided in two parts, 7803 and 8704, that multiplied together give a cube (67917312 = 408³).

The spelling of 78038704 in words is "seventy-eight million, thirty-eight thousand, seven hundred four".