78324670 has 16 divisors (see below), whose sum is σ = 141831648. Its totient is φ = 31141600.

The previous prime is 78324667. The next prime is 78324689. The reversal of 78324670 is 7642387.

It is a super-2 number, since 2×78324670² = 12269507861217800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21781 + ... + 25120.

It is an arithmetic number, because the mean of its divisors is an integer number (8864478).

Almost surely, 2^78324670 is an apocalyptic number.

78324670 is a deficient number, since it is larger than the sum of its proper divisors (63506978).

78324670 is a wasteful number, since it uses less digits than its factorization.

78324670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47075.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 78324670 is about 8850.1225980209. The cubic root of 78324670 is about 427.8578698008.

The spelling of 78324670 in words is "seventy-eight million, three hundred twenty-four thousand, six hundred seventy".