76277740 has 48 divisors (see below), whose sum is σ = 199713024. Its totient is φ = 23774400.

The previous prime is 76277711. The next prime is 76277741. The reversal of 76277740 is 4777267.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76277693 and 76277702.

It is not an unprimeable number, because it can be changed into a prime (76277741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23226 + ... + 26305.

It is an arithmetic number, because the mean of its divisors is an integer number (4160688).

Almost surely, 2^76277740 is an apocalyptic number.

76277740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76277740 is an abundant number, since it is smaller than the sum of its proper divisors (123435284).

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

76277740 is a wasteful number, since it uses less digits than its factorization.

76277740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49558 (or 49556 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 76277740 is about 8733.7128416270. The cubic root of 76277740 is about 424.0977213350.

The spelling of 76277740 in words is "seventy-six million, two hundred seventy-seven thousand, seven hundred forty".