78374260 has 24 divisors (see below), whose sum is σ = 166843656. Its totient is φ = 30919680.

The previous prime is 78374237. The next prime is 78374279. The reversal of 78374260 is 6247387.

It can be written as a sum of positive squares in 4 ways, for example, as 6937956 + 71436304 = 2634^2 + 8452^2 .

It is a super-2 number, since 2×78374260² = 12285049261095200, 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, 25381 + ... + 28300.

It is an arithmetic number, because the mean of its divisors is an integer number (6951819).

Almost surely, 2^78374260 is an apocalyptic number.

It is an amenable number.

78374260 is an abundant number, since it is smaller than the sum of its proper divisors (88469396).

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

78374260 is a wasteful number, since it uses less digits than its factorization.

78374260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53763 (or 53761 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 78374260 is about 8852.9238108096. The cubic root of 78374260 is about 427.9481478512.

The spelling of 78374260 in words is "seventy-eight million, three hundred seventy-four thousand, two hundred sixty".