7672501636 has 6 divisors (see below), whose sum is σ = 13426877870. Its totient is φ = 3836250816.

The previous prime is 7672501631. The next prime is 7672501649. The reversal of 7672501636 is 6361052767.

It can be written as a sum of positive squares in only one way, i.e., 6321204036 + 1351297600 = 79506^2 + 36760^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7672501592 and 7672501601.

It is not an unprimeable number, because it can be changed into a prime (7672501631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959062701 + ... + 959062708.

Almost surely, 2^7672501636 is an apocalyptic number.

It is an amenable number.

7672501636 is a deficient number, since it is larger than the sum of its proper divisors (5754376234).

7672501636 is a wasteful number, since it uses less digits than its factorization.

7672501636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918125413 (or 1918125411 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 7672501636 is about 87592.8172626044. The cubic root of 7672501636 is about 1972.3273477456.

The spelling of 7672501636 in words is "seven billion, six hundred seventy-two million, five hundred one thousand, six hundred thirty-six".