76628071 has 8 divisors (see below), whose sum is σ = 82772144. Its totient is φ = 70519680.

The previous prime is 76628051. The next prime is 76628077. The reversal of 76628071 is 17082667.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76628071 - 2¹⁷ = 76496999 is a prime.

It is a super-2 number, since 2×76628071² = 11743722530362082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76628071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76628077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (10346518).

Almost surely, 2^76628071 is an apocalyptic number.

76628071 is a deficient number, since it is larger than the sum of its proper divisors (6144073).

76628071 is a wasteful number, since it uses less digits than its factorization.

76628071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17841.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 76628071 is about 8753.7461123795. The cubic root of 76628071 is about 424.7460000157.

The spelling of 76628071 in words is "seventy-six million, six hundred twenty-eight thousand, seventy-one".