78453304 has 8 divisors (see below), whose sum is σ = 147099960. Its totient is φ = 39226648.

The previous prime is 78453269. The next prime is 78453341. The reversal of 78453304 is 40335487.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 78453304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4903324 + ... + 4903339.

It is an arithmetic number, because the mean of its divisors is an integer number (18387495).

Almost surely, 2^78453304 is an apocalyptic number.

It is an amenable number.

78453304 is a deficient number, since it is larger than the sum of its proper divisors (68646656).

78453304 is a wasteful number, since it uses less digits than its factorization.

78453304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9806669 (or 9806665 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 78453304 is about 8857.3869735944. The cubic root of 78453304 is about 428.0919678921.

The spelling of 78453304 in words is "seventy-eight million, four hundred fifty-three thousand, three hundred four".