76740340 has 12 divisors (see below), whose sum is σ = 161154756. Its totient is φ = 30696128.

The previous prime is 76740319. The next prime is 76740347. The reversal of 76740340 is 4304767.

It can be written as a sum of positive squares in 2 ways, for example, as 54819216 + 21921124 = 7404^2 + 4682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76740347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918489 + ... + 1918528.

It is an arithmetic number, because the mean of its divisors is an integer number (13429563).

Almost surely, 2^76740340 is an apocalyptic number.

It is an amenable number.

76740340 is an abundant number, since it is smaller than the sum of its proper divisors (84414416).

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

76740340 is a wasteful number, since it uses less digits than its factorization.

76740340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837026 (or 3837024 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 76740340 is about 8760.1563912980. The cubic root of 76740340 is about 424.9533328228.

The spelling of 76740340 in words is "seventy-six million, seven hundred forty thousand, three hundred forty".