772730738 has 32 divisors (see below), whose sum is σ = 1298841600. Its totient is φ = 342377280.

The previous prime is 772730719. The next prime is 772730743. The reversal of 772730738 is 837037277.

It is a super-2 number, since 2×772730738² = 1194225586900049288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98588 + ... + 106136.

It is an arithmetic number, because the mean of its divisors is an integer number (40588800).

Almost surely, 2^772730738 is an apocalyptic number.

772730738 is a deficient number, since it is larger than the sum of its proper divisors (526110862).

772730738 is a wasteful number, since it uses less digits than its factorization.

772730738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722.

The product of its (nonzero) digits is 345744, while the sum is 44.

The square root of 772730738 is about 27798.0347866535. The cubic root of 772730738 is about 917.6478738660.

The spelling of 772730738 in words is "seven hundred seventy-two million, seven hundred thirty thousand, seven hundred thirty-eight".