147469731 has 4 divisors (see below), whose sum is σ = 196626312. Its totient is φ = 98313152.

The previous prime is 147469703. The next prime is 147469741. The reversal of 147469731 is 137964741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147469731 - 2⁷ = 147469603 is a prime.

It is a super-2 number, since 2×147469731² = 43494643122424722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147469741) 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, 24578286 + ... + 24578291.

It is an arithmetic number, because the mean of its divisors is an integer number (49156578).

Almost surely, 2^147469731 is an apocalyptic number.

147469731 is a deficient number, since it is larger than the sum of its proper divisors (49156581).

147469731 is an equidigital number, since it uses as much as digits as its factorization.

147469731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49156580.

The product of its digits is 127008, while the sum is 42.

The square root of 147469731 is about 12143.7115825435. The cubic root of 147469731 is about 528.3247578830.

The spelling of 147469731 in words is "one hundred forty-seven million, four hundred sixty-nine thousand, seven hundred thirty-one".