78057374 has 4 divisors (see below), whose sum is σ = 117086064. Its totient is φ = 39028686.

The previous prime is 78057373. The next prime is 78057379. The reversal of 78057374 is 47375087.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78057373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19514342 + ... + 19514345.

It is an arithmetic number, because the mean of its divisors is an integer number (29271516).

Almost surely, 2^78057374 is an apocalyptic number.

78057374 is a deficient number, since it is larger than the sum of its proper divisors (39028690).

78057374 is a wasteful number, since it uses less digits than its factorization.

78057374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39028689.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 78057374 is about 8835.0084323672. The cubic root of 78057374 is about 427.3706029726.

The spelling of 78057374 in words is "seventy-eight million, fifty-seven thousand, three hundred seventy-four".