746772644 has 6 divisors (see below), whose sum is σ = 1306852134. Its totient is φ = 373386320.

The previous prime is 746772641. The next prime is 746772659. The reversal of 746772644 is 446277647.

It can be written as a sum of positive squares in only one way, i.e., 707560000 + 39212644 = 26600^2 + 6262^2 .

It is not an unprimeable number, because it can be changed into a prime (746772641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93346577 + ... + 93346584.

It is an arithmetic number, because the mean of its divisors is an integer number (217808689).

Almost surely, 2^746772644 is an apocalyptic number.

It is an amenable number.

746772644 is a deficient number, since it is larger than the sum of its proper divisors (560079490).

746772644 is a wasteful number, since it uses less digits than its factorization.

746772644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186693165 (or 186693163 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 47.

The square root of 746772644 is about 27327.1411603922. The cubic root of 746772644 is about 907.2552014977.

The spelling of 746772644 in words is "seven hundred forty-six million, seven hundred seventy-two thousand, six hundred forty-four".