761303649 has 8 divisors (see below), whose sum is σ = 1016746240. Its totient is φ = 506698416.

The previous prime is 761303629. The next prime is 761303671. The reversal of 761303649 is 946303167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 761303649 - 2¹⁶ = 761238113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (761303629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207214 + ... + 210855.

It is an arithmetic number, because the mean of its divisors is an integer number (127093280).

Almost surely, 2^761303649 is an apocalyptic number.

It is an amenable number.

761303649 is a deficient number, since it is larger than the sum of its proper divisors (255442591).

761303649 is a wasteful number, since it uses less digits than its factorization.

761303649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418679.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 761303649 is about 27591.7315331967. The cubic root of 761303649 is about 913.1020205450.

The spelling of 761303649 in words is "seven hundred sixty-one million, three hundred three thousand, six hundred forty-nine".