772732145 has 16 divisors (see below), whose sum is σ = 964941120. Its totient is φ = 593565504.

The previous prime is 772732139. The next prime is 772732159. The reversal of 772732145 is 541237277.

It is a cyclic number.

It is not a de Polignac number, because 772732145 - 2¹² = 772728049 is a prime.

It is a super-2 number, since 2×772732145² = 1194229935832602050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 772732099 and 772732108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17774 + ... + 43143.

It is an arithmetic number, because the mean of its divisors is an integer number (60308820).

Almost surely, 2^772732145 is an apocalyptic number.

It is an amenable number.

772732145 is a deficient number, since it is larger than the sum of its proper divisors (192208975).

772732145 is a wasteful number, since it uses less digits than its factorization.

772732145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61024.

The product of its digits is 82320, while the sum is 38.

The square root of 772732145 is about 27798.0600941864. The cubic root of 772732145 is about 917.6484308214.

The spelling of 772732145 in words is "seven hundred seventy-two million, seven hundred thirty-two thousand, one hundred forty-five".