76734440 has 32 divisors (see below), whose sum is σ = 180161280. Its totient is φ = 29358912.

The previous prime is 76734431. The next prime is 76734451. The reversal of 76734440 is 4443767.

It is a super-2 number, since 2×76734440² = 11776348564227200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76734440.

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, 40784 + ... + 42623.

It is an arithmetic number, because the mean of its divisors is an integer number (5630040).

Almost surely, 2^76734440 is an apocalyptic number.

It is an amenable number.

76734440 is an abundant number, since it is smaller than the sum of its proper divisors (103426840).

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

76734440 is a wasteful number, since it uses less digits than its factorization.

76734440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83441 (or 83437 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 76734440 is about 8759.8196328463. The cubic root of 76734440 is about 424.9424420322.

The spelling of 76734440 in words is "seventy-six million, seven hundred thirty-four thousand, four hundred forty".