7432820231 has 4 divisors (see below), whose sum is σ = 7755986352. Its totient is φ = 7109654112.

The previous prime is 7432820207. The next prime is 7432820303. The reversal of 7432820231 is 1320282347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320282347 = 1069 ⋅1235063.

It is a cyclic number.

It is not a de Polignac number, because 7432820231 - 2⁶ = 7432820167 is a prime.

It is a super-2 number, since 2×7432820231² (a number of 21 digits) 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 (7432820831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161583026 + ... + 161583071.

It is an arithmetic number, because the mean of its divisors is an integer number (1938996588).

Almost surely, 2^7432820231 is an apocalyptic number.

7432820231 is a deficient number, since it is larger than the sum of its proper divisors (323166121).

7432820231 is a wasteful number, since it uses less digits than its factorization.

7432820231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323166120.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 7432820231 is about 86213.8053388203. The cubic root of 7432820231 is about 1951.5718407730.

The spelling of 7432820231 in words is "seven billion, four hundred thirty-two million, eight hundred twenty thousand, two hundred thirty-one".