78230246 has 8 divisors (see below), whose sum is σ = 117577440. Its totient is φ = 39037768.

The previous prime is 78230227. The next prime is 78230249. The reversal of 78230246 is 64203287.

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

It is a super-2 number, since 2×78230246² = 12239942778441032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78230249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37406 + ... + 39441.

It is an arithmetic number, because the mean of its divisors is an integer number (14697180).

Almost surely, 2^78230246 is an apocalyptic number.

78230246 is a deficient number, since it is larger than the sum of its proper divisors (39347194).

78230246 is a wasteful number, since it uses less digits than its factorization.

78230246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77358.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 78230246 is about 8844.7863739041. The cubic root of 78230246 is about 427.6858665351.

The spelling of 78230246 in words is "seventy-eight million, two hundred thirty thousand, two hundred forty-six".