780042652 has 6 divisors (see below), whose sum is σ = 1365074648. Its totient is φ = 390021324.

The previous prime is 780042649. The next prime is 780042673. The reversal of 780042652 is 256240087.

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, 97505328 + ... + 97505335.

Almost surely, 2^780042652 is an apocalyptic number.

It is an amenable number.

780042652 is a deficient number, since it is larger than the sum of its proper divisors (585031996).

780042652 is a wasteful number, since it uses less digits than its factorization.

780042652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195010667 (or 195010665 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 780042652 is about 27929.2436703896. The cubic root of 780042652 is about 920.5331865209.

It can be divided in two parts, 78004 and 2652, that added together give a square (80656 = 284²).

The spelling of 780042652 in words is "seven hundred eighty million, forty-two thousand, six hundred fifty-two".