147347738 has 16 divisors (see below), whose sum is σ = 238441320. Its totient is φ = 68030976.

The previous prime is 147347737. The next prime is 147347749. The reversal of 147347738 is 837743741.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 131721529 + 15626209 = 11477^2 + 3953^2 .

It is a super-2 number, since 2×147347738² = 43422711787433288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147347737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39083 + ... + 42686.

Almost surely, 2^147347738 is an apocalyptic number.

147347738 is a deficient number, since it is larger than the sum of its proper divisors (91093582).

147347738 is a wasteful number, since it uses less digits than its factorization.

147347738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81841.

The product of its digits is 395136, while the sum is 44.

The square root of 147347738 is about 12138.6876555911. The cubic root of 147347738 is about 528.1790337348.

The spelling of 147347738 in words is "one hundred forty-seven million, three hundred forty-seven thousand, seven hundred thirty-eight".