78003052 has 6 divisors (see below), whose sum is σ = 136505348. Its totient is φ = 39001524.

The previous prime is 78003049. The next prime is 78003059. The reversal of 78003052 is 25030087.

It is a super-2 number, since 2×78003052² = 12168952242629408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78003059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9750378 + ... + 9750385.

Almost surely, 2^78003052 is an apocalyptic number.

It is an amenable number.

78003052 is a deficient number, since it is larger than the sum of its proper divisors (58502296).

78003052 is a wasteful number, since it uses less digits than its factorization.

78003052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500767 (or 19500765 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 78003052 is about 8831.9336501131. The cubic root of 78003052 is about 427.2714408126.

The spelling of 78003052 in words is "seventy-eight million, three thousand, fifty-two".