945272772 has 36 divisors (see below), whose sum is σ = 2403762816. Its totient is φ = 313202160.

The previous prime is 945272767. The next prime is 945272821. The reversal of 945272772 is 277272549.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×945272772² = 1787081226969127968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72604 + ... + 84627.

Almost surely, 2^945272772 is an apocalyptic number.

It is an amenable number.

945272772 is an abundant number, since it is smaller than the sum of its proper divisors (1458490044).

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

945272772 is a wasteful number, since it uses less digits than its factorization.

945272772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157408 (or 157403 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 945272772 is about 30745.2886146805. The cubic root of 945272772 is about 981.4143025237.

The spelling of 945272772 in words is "nine hundred forty-five million, two hundred seventy-two thousand, seven hundred seventy-two".