1264732734 has 32 divisors (see below), whose sum is σ = 2556109440. Its totient is φ = 417160800.

The previous prime is 1264732643. The next prime is 1264732751. The reversal of 1264732734 is 4372374621.

It is a happy number.

It is a super-2 number, since 2×1264732734² = 3199097776902229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1264732692 and 1264732701.

It is a congruent number.

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, 223824 + ... + 229404.

It is an arithmetic number, because the mean of its divisors is an integer number (79878420).

Almost surely, 2^1264732734 is an apocalyptic number.

1264732734 is an abundant number, since it is smaller than the sum of its proper divisors (1291376706).

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

1264732734 is a wasteful number, since it uses less digits than its factorization.

1264732734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976.

The product of its digits is 169344, while the sum is 39.

The square root of 1264732734 is about 35563.0810532496. The cubic root of 1264732734 is about 1081.4329213773.

The spelling of 1264732734 in words is "one billion, two hundred sixty-four million, seven hundred thirty-two thousand, seven hundred thirty-four".