78074896 has 25 divisors (see below), whose sum is σ = 154558591. Its totient is φ = 38206864.

The previous prime is 78074891. The next prime is 78074911. The reversal of 78074896 is 69847087.

The square root of 78074896 is 8836.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78074891) by changing a digit.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 1661145 + ... + 1661191.

Almost surely, 2^78074896 is an apocalyptic number.

78074896 is the 8836-th square number.

It is an amenable number.

78074896 is a deficient number, since it is larger than the sum of its proper divisors (76483695).

78074896 is an frugal number, since it uses more digits than its factorization.

78074896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The cubic root of 78074896 is about 427.4025787150.

Multiplying 78074896 by its sum of digits (49), we get a square (3825669904 = 61852²).

The spelling of 78074896 in words is "seventy-eight million, seventy-four thousand, eight hundred ninety-six".