72574031 has 2 divisors, whose sum is σ = 72574032. Its totient is φ = 72574030.

The previous prime is 72574001. The next prime is 72574081. The reversal of 72574031 is 13047527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72574031 - 2⁶ = 72573967 is a prime.

It is a super-2 number, since 2×72574031² = 10533979951177922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72573985 and 72574003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72574001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36287015 + 36287016.

It is an arithmetic number, because the mean of its divisors is an integer number (36287016).

Almost surely, 2^72574031 is an apocalyptic number.

72574031 is a deficient number, since it is larger than the sum of its proper divisors (1).

72574031 is an equidigital number, since it uses as much as digits as its factorization.

72574031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 72574031 is about 8519.0393237735. The cubic root of 72574031 is about 417.1194251430.

The spelling of 72574031 in words is "seventy-two million, five hundred seventy-four thousand, thirty-one".