761671243 has 4 divisors (see below), whose sum is σ = 794787408. Its totient is φ = 728555080.

The previous prime is 761671231. The next prime is 761671279. The reversal of 761671243 is 342176167.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761671243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761672243) 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, 16558048 + ... + 16558093.

It is an arithmetic number, because the mean of its divisors is an integer number (198696852).

Almost surely, 2^761671243 is an apocalyptic number.

761671243 is a deficient number, since it is larger than the sum of its proper divisors (33116165).

761671243 is a wasteful number, since it uses less digits than its factorization.

761671243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33116164.

The product of its digits is 42336, while the sum is 37.

The square root of 761671243 is about 27598.3920364937. The cubic root of 761671243 is about 913.2489600814.

The spelling of 761671243 in words is "seven hundred sixty-one million, six hundred seventy-one thousand, two hundred forty-three".