772026401 has 4 divisors (see below), whose sum is σ = 772552704. Its totient is φ = 771500100.

The previous prime is 772026397. The next prime is 772026403. The reversal of 772026401 is 104620277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104620277 = 601 ⋅174077.

It is a cyclic number.

It is not a de Polignac number, because 772026401 - 2² = 772026397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772026403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260945 + ... + 263886.

It is an arithmetic number, because the mean of its divisors is an integer number (193138176).

Almost surely, 2^772026401 is an apocalyptic number.

It is an amenable number.

772026401 is a deficient number, since it is larger than the sum of its proper divisors (526303).

772026401 is a wasteful number, since it uses less digits than its factorization.

772026401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526302.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 772026401 is about 27785.3630712287. The cubic root of 772026401 is about 917.3689798977.

Adding to 772026401 its reverse (104620277), we get a palindrome (876646678).

The spelling of 772026401 in words is "seven hundred seventy-two million, twenty-six thousand, four hundred one".