76622740 has 48 divisors (see below), whose sum is σ = 171460800. Its totient is φ = 28662272.

The previous prime is 76622699. The next prime is 76622743. The reversal of 76622740 is 4722667.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 76622696 and 76622705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76622743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60231 + ... + 61489.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 2^76622740 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 76622740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85730400).

76622740 is an abundant number, since it is smaller than the sum of its proper divisors (94838060).

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

76622740 is a wasteful number, since it uses less digits than its factorization.

76622740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 76622740 is about 8753.4416088759. The cubic root of 76622740 is about 424.7361499550.

The spelling of 76622740 in words is "seventy-six million, six hundred twenty-two thousand, seven hundred forty".