78069462 has 8 divisors (see below), whose sum is σ = 156138936. Its totient is φ = 26023152.

The previous prime is 78069451. The next prime is 78069473. The reversal of 78069462 is 26496087.

It is an interprime number because it is at equal distance from previous prime (78069451) and next prime (78069473).

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

78069462 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, 6505783 + ... + 6505794.

It is an arithmetic number, because the mean of its divisors is an integer number (19517367).

Almost surely, 2^78069462 is an apocalyptic number.

78069462 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.

78069462 is a wasteful number, since it uses less digits than its factorization.

78069462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13011582.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 78069462 is about 8835.6925025716. The cubic root of 78069462 is about 427.3926627684.

The spelling of 78069462 in words is "seventy-eight million, sixty-nine thousand, four hundred sixty-two".