76772028 has 24 divisors (see below), whose sum is σ = 183301888. Its totient is φ = 24995376.

The previous prime is 76771993. The next prime is 76772029. The reversal of 76772028 is 82027767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76772029) 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, 73876 + ... + 74907.

Almost surely, 2^76772028 is an apocalyptic number.

It is an amenable number.

76772028 is an abundant number, since it is smaller than the sum of its proper divisors (106529860).

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

76772028 is a wasteful number, since it uses less digits than its factorization.

76772028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148833 (or 148831 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 76772028 is about 8761.9648481377. The cubic root of 76772028 is about 425.0118160498.

The spelling of 76772028 in words is "seventy-six million, seven hundred seventy-two thousand, twenty-eight".