78037268 has 12 divisors (see below), whose sum is σ = 139896372. Its totient is φ = 38066880.

The previous prime is 78037207. The next prime is 78037283. The reversal of 78037268 is 86273087.

It can be written as a sum of positive squares in 2 ways, for example, as 5071504 + 72965764 = 2252^2 + 8542^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237755 + ... + 238082.

It is an arithmetic number, because the mean of its divisors is an integer number (11658031).

Almost surely, 2^78037268 is an apocalyptic number.

It is an amenable number.

78037268 is a deficient number, since it is larger than the sum of its proper divisors (61859104).

78037268 is a wasteful number, since it uses less digits than its factorization.

78037268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475882 (or 475880 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 78037268 is about 8833.8704993904. The cubic root of 78037268 is about 427.3339058152. Note that the first 3 decimals are identical.

The spelling of 78037268 in words is "seventy-eight million, thirty-seven thousand, two hundred sixty-eight".