78294260 has 36 divisors (see below), whose sum is σ = 180729444. Its totient is φ = 28469760.

The previous prime is 78294259. The next prime is 78294283. The reversal of 78294260 is 6249287.

It can be written as a sum of positive squares in 2 ways, for example, as 50183056 + 28111204 = 7084^2 + 5302^2 .

It is a super-2 number, since 2×78294260² = 12259982297895200, 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 11 ways as a sum of consecutive naturals, for example, 13757 + ... + 18596.

Almost surely, 2^78294260 is an apocalyptic number.

It is an amenable number.

78294260 is an abundant number, since it is smaller than the sum of its proper divisors (102435184).

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

78294260 is a wasteful number, since it uses less digits than its factorization.

78294260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32384 (or 32371 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 78294260 is about 8848.4043759313. The cubic root of 78294260 is about 427.8024898800.

The spelling of 78294260 in words is "seventy-eight million, two hundred ninety-four thousand, two hundred sixty".