147072775 has 12 divisors (see below), whose sum is σ = 188659800. Its totient is φ = 113600480.

The previous prime is 147072727. The next prime is 147072811. The reversal of 147072775 is 577270741.

It is a de Polignac number, because none of the positive numbers 2^k-147072775 is a prime.

It is a super-2 number, since 2×147072775² = 43260802292401250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100705 + ... + 102154.

It is an arithmetic number, because the mean of its divisors is an integer number (15721650).

Almost surely, 2^147072775 is an apocalyptic number.

147072775 is a deficient number, since it is larger than the sum of its proper divisors (41587025).

147072775 is a wasteful number, since it uses less digits than its factorization.

147072775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202898 (or 202893 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 40.

The square root of 147072775 is about 12127.3564720429. The cubic root of 147072775 is about 527.8502873189.

The spelling of 147072775 in words is "one hundred forty-seven million, seventy-two thousand, seven hundred seventy-five".