78496930 has 32 divisors (see below), whose sum is σ = 150885504. Its totient is φ = 29331456.

The previous prime is 78496889. The next prime is 78496931. The reversal of 78496930 is 3969487.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (78496931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5922 + ... + 13858.

It is an arithmetic number, because the mean of its divisors is an integer number (4715172).

Almost surely, 2^78496930 is an apocalyptic number.

78496930 is a deficient number, since it is larger than the sum of its proper divisors (72388574).

78496930 is a wasteful number, since it uses less digits than its factorization.

78496930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 78496930 is about 8859.8493215178. The cubic root of 78496930 is about 428.1713037456.

The spelling of 78496930 in words is "seventy-eight million, four hundred ninety-six thousand, nine hundred thirty".