780740041 has 4 divisors (see below), whose sum is σ = 780836112. Its totient is φ = 780643972.

The previous prime is 780740029. The next prime is 780740047. The reversal of 780740041 is 140047087.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 780740041 - 2²¹ = 778642889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780739985 and 780740012.

It is not an unprimeable number, because it can be changed into a prime (780740047) 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, 34591 + ... + 52516.

It is an arithmetic number, because the mean of its divisors is an integer number (195209028).

Almost surely, 2^780740041 is an apocalyptic number.

It is an amenable number.

780740041 is a deficient number, since it is larger than the sum of its proper divisors (96071).

780740041 is an equidigital number, since it uses as much as digits as its factorization.

780740041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96070.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 780740041 is about 27941.7258056835. The cubic root of 780740041 is about 920.8074358398.

The spelling of 780740041 in words is "seven hundred eighty million, seven hundred forty thousand, forty-one".