68770403 has 4 divisors (see below), whose sum is σ = 74060448. Its totient is φ = 63480360.

The previous prime is 68770379. The next prime is 68770409. The reversal of 68770403 is 30407786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30407786 = 2 ⋅15203893.

It is a cyclic number.

It is not a de Polignac number, because 68770403 - 2⁸ = 68770147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68770409) 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, 2645003 + ... + 2645028.

It is an arithmetic number, because the mean of its divisors is an integer number (18515112).

Almost surely, 2^68770403 is an apocalyptic number.

68770403 is a deficient number, since it is larger than the sum of its proper divisors (5290045).

68770403 is a wasteful number, since it uses less digits than its factorization.

68770403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290044.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 68770403 is about 8292.7922318119. The cubic root of 68770403 is about 409.7011564118.

The spelling of 68770403 in words is "sixty-eight million, seven hundred seventy thousand, four hundred three".