72952823 has 2 divisors, whose sum is σ = 72952824. Its totient is φ = 72952822.

The previous prime is 72952807. The next prime is 72952853. The reversal of 72952823 is 32825927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72952823 - 2⁴ = 72952807 is a prime.

It is a super-2 number, since 2×72952823² = 10644228767338658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72952853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36476411 + 36476412.

It is an arithmetic number, because the mean of its divisors is an integer number (36476412).

Almost surely, 2^72952823 is an apocalyptic number.

72952823 is a deficient number, since it is larger than the sum of its proper divisors (1).

72952823 is an equidigital number, since it uses as much as digits as its factorization.

72952823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 72952823 is about 8541.2424740198. The cubic root of 72952823 is about 417.8438688735.

The spelling of 72952823 in words is "seventy-two million, nine hundred fifty-two thousand, eight hundred twenty-three".