78754072 has 8 divisors (see below), whose sum is σ = 147663900. Its totient is φ = 39377032.

The previous prime is 78754061. The next prime is 78754127. The reversal of 78754072 is 27045787.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4922122 + ... + 4922137.

Almost surely, 2^78754072 is an apocalyptic number.

It is an amenable number.

78754072 is a deficient number, since it is larger than the sum of its proper divisors (68909828).

78754072 is a wasteful number, since it uses less digits than its factorization.

78754072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844265 (or 9844261 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 78754072 is about 8874.3491028920. The cubic root of 78754072 is about 428.6383318622.

The spelling of 78754072 in words is "seventy-eight million, seven hundred fifty-four thousand, seventy-two".