772061364 has 18 divisors (see below), whose sum is σ = 1951599650. Its totient is φ = 257353776.

The previous prime is 772061281. The next prime is 772061369. The reversal of 772061364 is 463160277.

It can be written as a sum of positive squares in only one way, i.e., 753502500 + 18558864 = 27450^2 + 4308^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 21446149 = 772061364 / (7 + 7 + 2 + 0 + 6 + 1 + 3 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772061369) 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 5 ways as a sum of consecutive naturals, for example, 10723039 + ... + 10723110.

Almost surely, 2^772061364 is an apocalyptic number.

It is an amenable number.

772061364 is an abundant number, since it is smaller than the sum of its proper divisors (1179538286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772061364 is a wasteful number, since it uses less digits than its factorization.

772061364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21446159 (or 21446154 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 772061364 is about 27785.9922262999. The cubic root of 772061364 is about 917.3828280802.

The spelling of 772061364 in words is "seven hundred seventy-two million, sixty-one thousand, three hundred sixty-four".