30378496 has 20 divisors (see below), whose sum is σ = 60698682. Its totient is φ = 15188992.

The previous prime is 30378493. The next prime is 30378539. The reversal of 30378496 is 69487303.

It can be written as a sum of positive squares in only one way, i.e., 26378496 + 4000000 = 5136^2 + 2000^2 .

It is not an unprimeable number, because it can be changed into a prime (30378493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29155 + ... + 30178.

Almost surely, 2^30378496 is an apocalyptic number.

It is an amenable number.

30378496 is a deficient number, since it is larger than the sum of its proper divisors (30320186).

30378496 is an frugal number, since it uses more digits than its factorization.

30378496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59351 (or 59335 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 30378496 is about 5511.6690756975. The cubic root of 30378496 is about 312.0245433246.

The spelling of 30378496 in words is "thirty million, three hundred seventy-eight thousand, four hundred ninety-six".