78363374 has 4 divisors (see below), whose sum is σ = 117545064. Its totient is φ = 39181686.

The previous prime is 78363367. The next prime is 78363379. The reversal of 78363374 is 47336387.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×78363374² = 12281636769327752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78363379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19590842 + ... + 19590845.

It is an arithmetic number, because the mean of its divisors is an integer number (29386266).

Almost surely, 2^78363374 is an apocalyptic number.

78363374 is a deficient number, since it is larger than the sum of its proper divisors (39181690).

78363374 is a wasteful number, since it uses less digits than its factorization.

78363374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39181689.

The product of its digits is 254016, while the sum is 41.

The square root of 78363374 is about 8852.3089643324. The cubic root of 78363374 is about 427.9283332707.

The spelling of 78363374 in words is "seventy-eight million, three hundred sixty-three thousand, three hundred seventy-four".