78358474 has 16 divisors (see below), whose sum is σ = 125955648. Its totient is φ = 36428992.

The previous prime is 78358463. The next prime is 78358477. The reversal of 78358474 is 47485387.

It is a super-2 number, since 2×78358474² = 12280100895217352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78358477) 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, 11062 + ... + 16705.

It is an arithmetic number, because the mean of its divisors is an integer number (7872228).

Almost surely, 2^78358474 is an apocalyptic number.

78358474 is a deficient number, since it is larger than the sum of its proper divisors (47597174).

78358474 is a wasteful number, since it uses less digits than its factorization.

78358474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27869.

The product of its digits is 752640, while the sum is 46.

The square root of 78358474 is about 8852.0321960553. The cubic root of 78358474 is about 427.9194137444.

The spelling of 78358474 in words is "seventy-eight million, three hundred fifty-eight thousand, four hundred seventy-four".