761949860 has 96 divisors (see below), whose sum is σ = 1943585280. Its totient is φ = 244942848.

The previous prime is 761949829. The next prime is 761949871. The reversal of 761949860 is 68949167.

It is a junction number, because it is equal to n+sod(n) for n = 761949799 and 761949808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 925409 + ... + 926231.

It is an arithmetic number, because the mean of its divisors is an integer number (20245680).

Almost surely, 2^761949860 is an apocalyptic number.

761949860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 761949860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971792640).

761949860 is an abundant number, since it is smaller than the sum of its proper divisors (1181635420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761949860 is a wasteful number, since it uses less digits than its factorization.

761949860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 761949860 is about 27603.4392784667. The cubic root of 761949860 is about 913.3603010608.

The spelling of 761949860 in words is "seven hundred sixty-one million, nine hundred forty-nine thousand, eight hundred sixty".