72464867 has 2 divisors, whose sum is σ = 72464868. Its totient is φ = 72464866.

The previous prime is 72464849. The next prime is 72464869. The reversal of 72464867 is 76846427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72464867 - 2¹² = 72460771 is a prime.

Together with 72464869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72464869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36232433 + 36232434.

It is an arithmetic number, because the mean of its divisors is an integer number (36232434).

Almost surely, 2^72464867 is an apocalyptic number.

72464867 is a deficient number, since it is larger than the sum of its proper divisors (1).

72464867 is an equidigital number, since it uses as much as digits as its factorization.

72464867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The square root of 72464867 is about 8512.6298521667. The cubic root of 72464867 is about 416.9101800730.

The spelling of 72464867 in words is "seventy-two million, four hundred sixty-four thousand, eight hundred sixty-seven".