761632740 has 96 divisors (see below), whose sum is σ = 2584955520. Its totient is φ = 184636800.

The previous prime is 761632733. The next prime is 761632747. The reversal of 761632740 is 47236167.

761632740 is a `hidden beast` number, since 7 + 616 + 32 + 7 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (761632733) and next prime (761632747).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 761632695 and 761632704.

It is not an unprimeable number, because it can be changed into a prime (761632747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58171 + ... + 70050.

It is an arithmetic number, because the mean of its divisors is an integer number (26926620).

Almost surely, 2^761632740 is an apocalyptic number.

It is an amenable number.

761632740 is an abundant number, since it is smaller than the sum of its proper divisors (1823322780).

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

761632740 is a wasteful number, since it uses less digits than its factorization.

761632740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128250 (or 128242 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 761632740 is about 27597.6944689226. The cubic root of 761632740 is about 913.2335713698.

The spelling of 761632740 in words is "seven hundred sixty-one million, six hundred thirty-two thousand, seven hundred forty".