76366840 has 32 divisors (see below), whose sum is σ = 187446960. Its totient is φ = 27769600.

The previous prime is 76366813. The next prime is 76366859. The reversal of 76366840 is 4866367.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 76366793 and 76366802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86341 + ... + 87220.

Almost surely, 2^76366840 is an apocalyptic number.

It is an amenable number.

76366840 is an abundant number, since it is smaller than the sum of its proper divisors (111080120).

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

76366840 is a wasteful number, since it uses less digits than its factorization.

76366840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173583 (or 173579 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 76366840 is about 8738.8122762765. The cubic root of 76366840 is about 424.2627865448.

The spelling of 76366840 in words is "seventy-six million, three hundred sixty-six thousand, eight hundred forty".