1072432529 has 4 divisors (see below), whose sum is σ = 1225637184. Its totient is φ = 919227876.

The previous prime is 1072432519. The next prime is 1072432541. The reversal of 1072432529 is 9252342701.

It is a happy number.

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.

It is not a de Polignac number, because 1072432529 - 2²⁴ = 1055655313 is a prime.

It is a super-2 number, since 2×1072432529² = 2300223058514671682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072432519) 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, 76602317 + ... + 76602330.

It is an arithmetic number, because the mean of its divisors is an integer number (306409296).

Almost surely, 2^1072432529 is an apocalyptic number.

It is an amenable number.

1072432529 is a deficient number, since it is larger than the sum of its proper divisors (153204655).

1072432529 is an equidigital number, since it uses as much as digits as its factorization.

1072432529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153204654.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1072432529 is about 32748.0156498069. The cubic root of 1072432529 is about 1023.5836170403.

The spelling of 1072432529 in words is "one billion, seventy-two million, four hundred thirty-two thousand, five hundred twenty-nine".