78035940 has 48 divisors (see below), whose sum is σ = 242780160. Its totient is φ = 20809440.

The previous prime is 78035939. The next prime is 78035953. The reversal of 78035940 is 4953087.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 78035895 and 78035904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71716 + ... + 72795.

It is an arithmetic number, because the mean of its divisors is an integer number (5057920).

Almost surely, 2^78035940 is an apocalyptic number.

It is an amenable number.

78035940 is an abundant number, since it is smaller than the sum of its proper divisors (164744220).

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

78035940 is a wasteful number, since it uses less digits than its factorization.

78035940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144529 (or 144521 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 78035940 is about 8833.7953338302. The cubic root of 78035940 is about 427.3314817484.

The spelling of 78035940 in words is "seventy-eight million, thirty-five thousand, nine hundred forty".