766374740 has 24 divisors (see below), whose sum is σ = 1611964032. Its totient is φ = 306059040.

The previous prime is 766374737. The next prime is 766374751. The reversal of 766374740 is 47473667.

It is a super-2 number, since 2×766374740² = 1174660484220135200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 766374691 and 766374700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17744 + ... + 42983.

It is an arithmetic number, because the mean of its divisors is an integer number (67165168).

Almost surely, 2^766374740 is an apocalyptic number.

It is an amenable number.

766374740 is an abundant number, since it is smaller than the sum of its proper divisors (845589292).

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

766374740 is a wasteful number, since it uses less digits than its factorization.

766374740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61367 (or 61365 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 44.

The square root of 766374740 is about 27683.4741316909. The cubic root of 766374740 is about 915.1249453631.

The spelling of 766374740 in words is "seven hundred sixty-six million, three hundred seventy-four thousand, seven hundred forty".