76140240 has 160 divisors (see below), whose sum is σ = 260554752. Its totient is φ = 18240000.

The previous prime is 76140227. The next prime is 76140269. The reversal of 76140240 is 4204167.

It is a super-2 number, since 2×76140240² = 11594672294515200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 76140240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398545 + ... + 398735.

Almost surely, 2^76140240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130277376).

76140240 is an abundant number, since it is smaller than the sum of its proper divisors (184414512).

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

76140240 is a wasteful number, since it uses less digits than its factorization.

76140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 76140240 is about 8725.8374956218. The cubic root of 76140240 is about 423.8427386412.

The spelling of 76140240 in words is "seventy-six million, one hundred forty thousand, two hundred forty".