72573107 has 2 divisors, whose sum is σ = 72573108. Its totient is φ = 72573106.

The previous prime is 72573101. The next prime is 72573133. The reversal of 72573107 is 70137527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72573107 - 2⁴ = 72573091 is a prime.

It is not a weakly prime, because it can be changed into another prime (72573101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36286553 + 36286554.

It is an arithmetic number, because the mean of its divisors is an integer number (36286554).

Almost surely, 2^72573107 is an apocalyptic number.

72573107 is a deficient number, since it is larger than the sum of its proper divisors (1).

72573107 is an equidigital number, since it uses as much as digits as its factorization.

72573107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 72573107 is about 8518.9850921339. The cubic root of 72573107 is about 417.1176549047.

The spelling of 72573107 in words is "seventy-two million, five hundred seventy-three thousand, one hundred seven".