78469246 has 16 divisors (see below), whose sum is σ = 128649600. Its totient is φ = 35735040.

The previous prime is 78469219. The next prime is 78469249. The reversal of 78469246 is 64296487.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 78469196 and 78469205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78469249) 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, 36171 + ... + 38278.

It is an arithmetic number, because the mean of its divisors is an integer number (8040600).

Almost surely, 2^78469246 is an apocalyptic number.

78469246 is a deficient number, since it is larger than the sum of its proper divisors (50180354).

78469246 is a wasteful number, since it uses less digits than its factorization.

78469246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74499.

The product of its digits is 580608, while the sum is 46.

The square root of 78469246 is about 8858.2868546915. The cubic root of 78469246 is about 428.1209625492.

The spelling of 78469246 in words is "seventy-eight million, four hundred sixty-nine thousand, two hundred forty-six".