1345772632 has 16 divisors (see below), whose sum is σ = 2671754760. Its totient is φ = 633304704.

The previous prime is 1345772629. The next prime is 1345772639. The reversal of 1345772632 is 2362775431.

It is a super-2 number, since 2×1345772632² = 3622207954080414848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345772639) 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, 4947558 + ... + 4947829.

Almost surely, 2^1345772632 is an apocalyptic number.

It is an amenable number.

1345772632 is a deficient number, since it is larger than the sum of its proper divisors (1325982128).

1345772632 is a wasteful number, since it uses less digits than its factorization.

1345772632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895410 (or 9895406 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 1345772632 is about 36684.7738441986. The cubic root of 1345772632 is about 1104.0546317395.

The spelling of 1345772632 in words is "one billion, three hundred forty-five million, seven hundred seventy-two thousand, six hundred thirty-two".