772494081 has 8 divisors (see below), whose sum is σ = 1030142880. Its totient is φ = 514920672.

The previous prime is 772494067. The next prime is 772494109. The reversal of 772494081 is 180494277.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 772494081 - 2⁶ = 772494017 is a prime.

It is a super-2 number, since 2×772494081² = 1193494210360069122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (772494181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12525 + ... + 41253.

It is an arithmetic number, because the mean of its divisors is an integer number (128767860).

Almost surely, 2^772494081 is an apocalyptic number.

It is an amenable number.

772494081 is a deficient number, since it is larger than the sum of its proper divisors (257648799).

772494081 is a wasteful number, since it uses less digits than its factorization.

772494081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37695.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 772494081 is about 27793.7777389113. Note that the first 4 decimals coincide. The cubic root of 772494081 is about 917.5541844966.

The spelling of 772494081 in words is "seven hundred seventy-two million, four hundred ninety-four thousand, eighty-one".