76630772 has 6 divisors (see below), whose sum is σ = 134103858. Its totient is φ = 38315384.

The previous prime is 76630759. The next prime is 76630777. The reversal of 76630772 is 27703667.

It can be written as a sum of positive squares in only one way, i.e., 73376356 + 3254416 = 8566^2 + 1804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76630777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9578843 + ... + 9578850.

It is an arithmetic number, because the mean of its divisors is an integer number (22350643).

Almost surely, 2^76630772 is an apocalyptic number.

It is an amenable number.

76630772 is a deficient number, since it is larger than the sum of its proper divisors (57473086).

76630772 is a wasteful number, since it uses less digits than its factorization.

76630772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19157697 (or 19157695 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 76630772 is about 8753.9003878271. The cubic root of 76630772 is about 424.7509904648.

The spelling of 76630772 in words is "seventy-six million, six hundred thirty thousand, seven hundred seventy-two".