4072431 has 8 divisors (see below), whose sum is σ = 5923584. Its totient is φ = 2468120.

The previous prime is 4072427. The next prime is 4072433. The reversal of 4072431 is 1342704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4072431 - 2² = 4072427 is a prime.

It is a super-2 number, since 2×4072431² = 33169388499522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4072398 and 4072407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61671 + ... + 61736.

It is an arithmetic number, because the mean of its divisors is an integer number (740448).

Almost surely, 2^4072431 is an apocalyptic number.

4072431 is a deficient number, since it is larger than the sum of its proper divisors (1851153).

4072431 is a wasteful number, since it uses less digits than its factorization.

4072431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123421.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 4072431 is about 2018.0265112233. The cubic root of 4072431 is about 159.6925214636.

It can be divided in two parts, 40724 and 31, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 4072431 in words is "four million, seventy-two thousand, four hundred thirty-one".