78274296 has 32 divisors (see below), whose sum is σ = 217429200. Its totient is φ = 26091360.

The previous prime is 78274271. The next prime is 78274303. The reversal of 78274296 is 69247287.

It is a super-2 number, since 2×78274296² = 12253730828591232, 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, 180975 + ... + 181406.

Almost surely, 2^78274296 is an apocalyptic number.

It is an amenable number.

78274296 is an abundant number, since it is smaller than the sum of its proper divisors (139154904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78274296 is a wasteful number, since it uses less digits than its factorization.

78274296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362396 (or 362386 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 78274296 is about 8847.2761910093. The cubic root of 78274296 is about 427.7661254649.

It can be divided in two parts, 782 and 74296, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 78274296 in words is "seventy-eight million, two hundred seventy-four thousand, two hundred ninety-six".