78362804 has 12 divisors (see below), whose sum is σ = 147683844. Its totient is φ = 36167424.

The previous prime is 78362803. The next prime is 78362807. The reversal of 78362804 is 40826387.

It can be written as a sum of positive squares in 2 ways, for example, as 11155600 + 67207204 = 3340^2 + 8198^2 .

It is a super-2 number, since 2×78362804² = 12281458101484832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78362803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753437 + ... + 753540.

It is an arithmetic number, because the mean of its divisors is an integer number (12306987).

Almost surely, 2^78362804 is an apocalyptic number.

It is an amenable number.

78362804 is a deficient number, since it is larger than the sum of its proper divisors (69321040).

78362804 is a wasteful number, since it uses less digits than its factorization.

78362804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506994 (or 1506992 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 78362804 is about 8852.2767692837. The cubic root of 78362804 is about 427.9272957123.

The spelling of 78362804 in words is "seventy-eight million, three hundred sixty-two thousand, eight hundred four".