76772970 has 24 divisors (see below), whose sum is σ = 199609956. Its totient is φ = 20472768.

The previous prime is 76772963. The next prime is 76772999. The reversal of 76772970 is 7927767.

It can be written as a sum of positive squares in 2 ways, for example, as 71723961 + 5049009 = 8469^2 + 2247^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426427 + ... + 426606.

Almost surely, 2^76772970 is an apocalyptic number.

76772970 is an abundant number, since it is smaller than the sum of its proper divisors (122836986).

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

76772970 is a wasteful number, since it uses less digits than its factorization.

76772970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853046 (or 853043 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 76772970 is about 8762.0186030389. The cubic root of 76772970 is about 425.0135543543.

It can be divided in two parts, 767 and 72970, that added together give a palindrome (73737).

The spelling of 76772970 in words is "seventy-six million, seven hundred seventy-two thousand, nine hundred seventy".