147630733 has 4 divisors (see below), whose sum is σ = 148020640. Its totient is φ = 147240828.

The previous prime is 147630731. The next prime is 147630757. The reversal of 147630733 is 337036741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337036741 = 379 ⋅889279.

It is a cyclic number.

It is not a de Polignac number, because 147630733 - 2¹ = 147630731 is a prime.

It is a super-2 number, since 2×147630733² = 43589666652234578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147630731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194385 + ... + 195142.

It is an arithmetic number, because the mean of its divisors is an integer number (37005160).

Almost surely, 2^147630733 is an apocalyptic number.

It is an amenable number.

147630733 is a deficient number, since it is larger than the sum of its proper divisors (389907).

147630733 is an equidigital number, since it uses as much as digits as its factorization.

147630733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389906.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 147630733 is about 12150.3388018606. The cubic root of 147630733 is about 528.5169564339.

The spelling of 147630733 in words is "one hundred forty-seven million, six hundred thirty thousand, seven hundred thirty-three".