307147032 has 32 divisors (see below), whose sum is σ = 853186800. Its totient is φ = 102382272.

The previous prime is 307147019. The next prime is 307147051. The reversal of 307147032 is 230741703.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 307146987 and 307147005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710773 + ... + 711204.

Almost surely, 2^307147032 is an apocalyptic number.

It is an amenable number.

307147032 is an abundant number, since it is smaller than the sum of its proper divisors (546039768).

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

307147032 is a wasteful number, since it uses less digits than its factorization.

307147032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421992 (or 1421982 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 307147032 is about 17525.6107454205. The cubic root of 307147032 is about 674.7073496812.

Adding to 307147032 its reverse (230741703), we get a palindrome (537888735).

The spelling of 307147032 in words is "three hundred seven million, one hundred forty-seven thousand, thirty-two".