772047671 has 16 divisors (see below), whose sum is σ = 813822240. Its totient is φ = 731566080.

The previous prime is 772047629. The next prime is 772047697. The reversal of 772047671 is 176740277.

It is a cyclic number.

It is not a de Polignac number, because 772047671 - 2⁶ = 772047607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772047271) 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 in 15 ways as a sum of consecutive naturals, for example, 339125 + ... + 341393.

It is an arithmetic number, because the mean of its divisors is an integer number (50863890).

Almost surely, 2^772047671 is an apocalyptic number.

772047671 is a deficient number, since it is larger than the sum of its proper divisors (41774569).

772047671 is a wasteful number, since it uses less digits than its factorization.

772047671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546.

The product of its (nonzero) digits is 115248, while the sum is 41.

The square root of 772047671 is about 27785.7458240732. The cubic root of 772047671 is about 917.3774045919.

The spelling of 772047671 in words is "seven hundred seventy-two million, forty-seven thousand, six hundred seventy-one".