76622440 has 64 divisors (see below), whose sum is σ = 185976000. Its totient is φ = 28316160.

The previous prime is 76622411. The next prime is 76622443. The reversal of 76622440 is 4422667.

It is not an unprimeable number, because it can be changed into a prime (76622443) 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, 29931 + ... + 32389.

It is an arithmetic number, because the mean of its divisors is an integer number (2905875).

Almost surely, 2^76622440 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 76622440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92988000).

76622440 is an abundant number, since it is smaller than the sum of its proper divisors (109353560).

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

76622440 is a wasteful number, since it uses less digits than its factorization.

76622440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 76622440 is about 8753.4244727421. The cubic root of 76622440 is about 424.7355956330.

The spelling of 76622440 in words is "seventy-six million, six hundred twenty-two thousand, four hundred forty".