1072432631 has 4 divisors (see below), whose sum is σ = 1107027264. Its totient is φ = 1037838000.

The previous prime is 1072432597. The next prime is 1072432651. The reversal of 1072432631 is 1362342701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1362342701 = 37 ⋅36820073.

It is a cyclic number.

It is not a de Polignac number, because 1072432631 - 2¹⁸ = 1072170487 is a prime.

It is a super-2 number, since 2×1072432631² = 2300223496067164322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072432594 and 1072432603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072432651) 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, 17297270 + ... + 17297331.

It is an arithmetic number, because the mean of its divisors is an integer number (276756816).

Almost surely, 2^1072432631 is an apocalyptic number.

1072432631 is a deficient number, since it is larger than the sum of its proper divisors (34594633).

1072432631 is an equidigital number, since it uses as much as digits as its factorization.

1072432631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34594632.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1072432631 is about 32748.0172071532. The cubic root of 1072432631 is about 1023.5836494916.

The spelling of 1072432631 in words is "one billion, seventy-two million, four hundred thirty-two thousand, six hundred thirty-one".