761811912 has 64 divisors (see below), whose sum is σ = 2130249600. Its totient is φ = 252244800.

The previous prime is 761811899. The next prime is 761811917. The reversal of 761811912 is 219118167.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (761811917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20938 + ... + 44294.

It is an arithmetic number, because the mean of its divisors is an integer number (33285150).

Almost surely, 2^761811912 is an apocalyptic number.

761811912 is a gapful number since it is divisible by the number (72) 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 761811912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065124800).

761811912 is an abundant number, since it is smaller than the sum of its proper divisors (1368437688).

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

761811912 is a wasteful number, since it uses less digits than its factorization.

761811912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23523 (or 23513 counting only the distinct ones).

The product of its digits is 6048, while the sum is 36.

The square root of 761811912 is about 27600.9404187611. The cubic root of 761811912 is about 913.3051776474.

The spelling of 761811912 in words is "seven hundred sixty-one million, eight hundred eleven thousand, nine hundred twelve".